| 2007 |
Loss Contingency, Pending Cases in Which Purported Damage Amounts are Specified in the Complaint, Claim Size [Domain] | Loss Contingency, Pending Cases in Which Purported Damage Amounts are Specified in the Complaint, Size of Alleged Punitive Damages [Domain] | Loss Contingencies [Line Items] | Loss Contingency, Information about Litigation Matters [Abstract] | Loss Contingency, Pending Cases in Which Purported Damage Amounts are Specified in the Complaint, Number of Cases | 2629 |
| Alleged Punitive Damage of $15,000 [Member] | Loss Contingencies [Line Items] | Loss Contingency, Information about Litigation Matters [Abstract] | Loss Contingency, Pending Cases in Which Purported Damage Amounts are Specified in the Complaint, Number of Cases | 860 |
| Claims of $100,000 or Less [Member] | Loss Contingency, Pending Cases in Which Purported Damage Amounts are Specified in the Complaint, Size of Alleged Punitive Damages [Domain] | Alleged Punitive Damage of $15,000 [Member] | Loss Contingencies [Line Items] | Loss Contingency, Information about Litigation Matters [Abstract] | Loss Contingency, Pending Cases in Which Purported Damage Amounts are Specified in the Complaint, Number of Cases | 1 |
Alleged Punitive Damage of $30,000 [Member] | Loss Contingencies [Line Items] | Loss Contingency, Information about Litigation Matters [Abstract] | Loss Contingency, Pending Cases in Which Purported Damage Amounts are Specified in the Complaint, Number of Cases | 3 |
Claims of $100,000 to $3,000,000 [Member] | Loss Contingency, Pending Cases in Which Purported Damage Amounts are Specified in the Complaint, Size of Alleged Punitive Damages [Domain] | Loss Contingencies [Line Items] | Loss Contingency, Information about Litigation Matters [Abstract] | Loss Contingency, Pending Cases in Which Purported Damage Amounts are Specified in the Complaint, Number of Cases | 186 |
| Alleged Punitive Damage of $250,000 [Member] | Loss Contingencies [Line Items] | Loss Contingency, Information about Litigation Matters [Abstract] | Loss Contingency, Pending Cases in Which Purported Damage Amounts are Specified in the Complaint, Number of Cases | 33 |
Alleged Punitive Damage of $1,000,000 [Member] | Loss Contingencies [Line Items] | Loss Contingency, Information about Litigation Matters [Abstract] | Loss Contingency, Pending Cases in Which Purported Damage Amounts are Specified in the Complaint, Number of Cases | 1 |
Alleged Punitive Damage of $1,500,000 [Member] | Loss Contingencies [Line Items] | Loss Contingency, Information about Litigation Matters [Abstract] | Loss Contingency, Pending Cases in Which Purported Damage Amounts are Specified in the Complaint, Number of Cases | 43 |
Alleged Punitive Damage of $2,000,000 [Member] | Loss Contingencies [Line Items] | Loss Contingency, Information about Litigation Matters [Abstract] | Loss Contingency, Pending Cases in Which Purported Damage Amounts are Specified in the Complaint, Number of Cases | 106 |
Claims of $3,000,000 to $7,500,000 [Member] | Loss Contingency, Pending Cases in Which Purported Damage Amounts are Specified in the Complaint, Size of Alleged Punitive Damages [Domain] | Loss Contingencies [Line Items] | Loss Contingency, Information about Litigation Matters [Abstract] | Loss Contingency, Pending Cases in Which Purported Damage Amounts are Specified in the Complaint, Number of Cases | 2 |
| Alleged Punitive Damage of $350,000 [Member] | Loss Contingencies [Line Items] | Loss Contingency, Information about Litigation Matters [Abstract] | Loss Contingency, Pending Cases in Which Purported Damage Amounts are Specified in the Complaint, Number of Cases | 1 |
Alleged Punitive Damage of $5,000,000 [Member] | Loss Contingencies [Line Items] | Loss Contingency, Information about Litigation Matters [Abstract] | Loss Contingency, Pending Cases in Which Purported Damage Amounts are Specified in the Complaint, Number of Cases | 1 |
Claims of $7,500,000 [Member] | Loss Contingency, Pending Cases in Which Purported Damage Amounts are Specified in the Complaint, Size of Alleged Punitive Damages [Domain] | Loss Contingencies [Line Items] | Loss Contingency, Information about Litigation Matters [Abstract] | Loss Contingency, Pending Cases in Which Purported Damage Amounts are Specified in the Complaint, Number of Cases | 21 |
Claims of $7,500,000 to $10,000,000 [Member] | Loss Contingency, Pending Cases in Which Purported Damage Amounts are Specified in the Complaint, Size of Alleged Punitive Damages [Domain] | Loss Contingencies [Line Items] | Loss Contingency, Information about Litigation Matters [Abstract] | Loss Contingency, Pending Cases in Which Purported Damage Amounts are Specified in the Complaint, Number of Cases | 4 |
| Alleged Punitive Damage of $21,000,000 [Member] | Loss Contingencies [Line Items] | Loss Contingency, Information about Litigation Matters [Abstract] | Loss Contingency, Pending Cases in Which Purported Damage Amounts are Specified in the Complaint, Number of Cases | 4 |
Claims of $10,000,000 [Member] | Loss Contingency, Pending Cases in Which Purported Damage Amounts are Specified in the Complaint, Size of Alleged Punitive Damages [Domain] | Loss Contingencies [Line Items] | Loss Contingency, Information about Litigation Matters [Abstract] | Loss Contingency, Pending Cases in Which Purported Damage Amounts are Specified in the Complaint, Number of Cases | 1540 |
| Alleged Punitive Damage of $350,000 [Member] | Loss Contingencies [Line Items] | Loss Contingency, Information about Litigation Matters [Abstract] | Loss Contingency, Pending Cases in Which Purported Damage Amounts are Specified in the Complaint, Number of Cases | 2 |
Alleged Punitive Damage of $10,000,000 [Member] | Loss Contingencies [Line Items] | Loss Contingency, Information about Litigation Matters [Abstract] | Loss Contingency, Pending Cases in Which Purported Damage Amounts are Specified in the Complaint, Number of Cases | 1531 |
Alleged Punitive Damage of $15,000,000 [Member] | Loss Contingencies [Line Items] | Loss Contingency, Information about Litigation Matters [Abstract] | Loss Contingency, Pending Cases in Which Purported Damage Amounts are Specified in the Complaint, Number of Cases | 1 |
Claims of $10,000,000 to $50,000,000 [Member] | Loss Contingency, Pending Cases in Which Purported Damage Amounts are Specified in the Complaint, Size of Alleged Punitive Damages [Domain] | Loss Contingencies [Line Items] | Loss Contingency, Information about Litigation Matters [Abstract] | Loss Contingency, Pending Cases in Which Purported Damage Amounts are Specified in the Complaint, Number of Cases | 13 |
| Alleged Punitive Damage of $15,000,000 [Member] | Loss Contingencies [Line Items] | Loss Contingency, Information about Litigation Matters [Abstract] | Loss Contingency, Pending Cases in Which Purported Damage Amounts are Specified in the Complaint, Number of Cases | 5 |
Alleged Punitive Damage of $15,500,000 [Member] | Loss Contingencies [Line Items] | Loss Contingency, Information about Litigation Matters [Abstract] | Loss Contingency, Pending Cases in Which Purported Damage Amounts are Specified in the Complaint, Number of Cases | 3 |
Claims of $50,000,000 [Member] | Loss Contingency, Pending Cases in Which Purported Damage Amounts are Specified in the Complaint, Size of Alleged Punitive Damages [Domain] | Loss Contingencies [Line Items] | Loss Contingency, Information about Litigation Matters [Abstract] | Loss Contingency, Pending Cases in Which Purported Damage Amounts are Specified in the Complaint, Number of Cases | 3 |
| Alleged Punitive Damage of $50,000,000 [Member] | Loss Contingencies [Line Items] | Loss Contingency, Information about Litigation Matters [Abstract] | Loss Contingency, Pending Cases in Which Purported Damage Amounts are Specified in the Complaint, Number of Cases | 2 |