|
Commitments: (Details) (USD $)
In Millions, unless otherwise specified |
9 Months Ended | |||||||
|---|---|---|---|---|---|---|---|---|
|
Sep. 30, 2012
|
Sep. 30, 2011
|
Sep. 30, 2012
Extended lines of credit
|
Dec. 31, 2011
Extended lines of credit
|
Sep. 30, 2012
Financing for client purchase agreements
|
Dec. 31, 2011
Financing for client purchase agreements
|
Sep. 30, 2012
Financial guarantees
|
Dec. 31, 2011
Financial guarantees
|
|
| Commitments, guarantees: | ||||||||
| Unused amounts in lines of credit to third-party entities and commitments for future financing to clients | $ 5,308 | $ 4,040 | $ 2,856 | $ 2,567 | ||||
| Guarantor obligations, maximum exposure | 68 | 56 | ||||||
| Movement in standard warranty liability | ||||||||
| Beginning Balance | 407 | 375 | ||||||
| Current period accruals | 270 | 309 | ||||||
| Accrual adjustments to reflect actual experience | (18) | 15 | ||||||
| Charges incurred | (295) | (318) | ||||||
| Ending Balance | $ 364 | $ 382 | ||||||