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Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

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The floor amount as of the balance sheet date that the entity must expend to satisfy the terms of disclosed arrangements (excluding long-term commitments) in which the entity has agreed to expend funds to procure goods or services from one or more suppliers, other than under a long-term purchase commitment or an unconditional purchase obligation.

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Amount as of the balance sheet date of the aggregate standard product warranty liability. Does not include the balance for the extended product warranty liability.

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Represents the aggregate decrease in the liability for payments made (in cash or in kind) to satisfy claims under the terms of the standard product warranty. Does not include any Increase or Decrease in the liability for payments related to extended product warranties.

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Represents the aggregate Increase or Decrease in the liability during the reporting period for accruals related to preexisting standard product warranties (including adjustments related to changes in estimates). Does not include any Increase or Decrease in the liability for accruals related to extended product warranties.

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Represents the aggregate increase in the liability for accruals related to standard product warranties issued during the reporting period. Does not include any increase in the liability for accruals related to extended product warranties.

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Commitments (Details) (USD $) In Millions	6 Months Ended
Commitments (Details) (USD $) In Millions	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011 Extended lines of credit	Dec. 31, 2010 Extended lines of credit	Jun. 30, 2011 Financing for client purchase agreements	Dec. 31, 2010 Financing for client purchase agreements	Jun. 30, 2011 Financial guarantees	Dec. 31, 2010 Financial guarantees
Commitments, guarantees:
Unused amounts in lines of credit to third-party entities and commitments for future financing to clients			$ 3,664	$ 3,415	$ 2,891	$ 2,825
Guarantor obligations, maximum exposure							47	48
Movement in standard warranty liability
Beginning Balance	375	316
Current period accruals	203	189
Accrual adjustments to reflect actual experience	18	20
Charges incurred	(215)	(217)
Ending Balance	$ 381	$ 308