Financing Receivables (Details 2) (USD $) In Millions	6 Months Ended
	Jun. 30, 2011	Dec. 31, 2010
Financing Receivables:
Ending Balance	$ 19,393	$ 19,625
Collectively evaluated for impairment	18,948	18,993
Individually evaluated for impairment	445	632
Allowance for Credit Losses
Allowance for credit losses, beginning balance	353
Charge-offs	(65)
Provision	(11)
Other	12
Allowance for credit losses, ending balance	289
Collectively evaluated for impairment	60	71
Individually evaluated for impairment	229	282
Lease receivables
Financing Receivables:
Ending Balance	8,586	8,545
Allowance for Credit Losses
Allowance for credit losses, beginning balance		126
Allowance for credit losses, ending balance	111	126
Lease receivables | Major Markets
Financing Receivables:
Ending Balance	6,543	6,562
Allowance for Credit Losses
Allowance for credit losses, beginning balance		84
Allowance for credit losses, ending balance	68	84
Lease receivables | Growth Markets
Financing Receivables:
Ending Balance	2,043	1,983
Allowance for Credit Losses
Allowance for credit losses, beginning balance		42
Allowance for credit losses, ending balance	43	42
Client loan receivables
Financing Receivables:
Ending Balance	10,807	11,080
Allowance for Credit Losses
Allowance for credit losses, beginning balance		226
Allowance for credit losses, ending balance	178	226
Client loan receivables | Major Markets
Financing Receivables:
Ending Balance	8,717	9,087
Allowance for Credit Losses
Allowance for credit losses, beginning balance		150
Allowance for credit losses, ending balance	116	150
Client loan receivables | Growth Markets
Financing Receivables:
Ending Balance	2,090	1,993
Allowance for Credit Losses
Allowance for credit losses, beginning balance		76
Allowance for credit losses, ending balance	62	76
Major Markets
Financing Receivables:
Ending Balance	15,260	15,650
Collectively evaluated for impairment	14,931	15,199
Individually evaluated for impairment	329	451
Allowance for Credit Losses
Allowance for credit losses, beginning balance	234
Charge-offs	(53)
Provision	(8)
Other	10
Allowance for credit losses, ending balance	184
Collectively evaluated for impairment	48	60
Individually evaluated for impairment	136	174
Growth Markets
Financing Receivables:
Ending Balance	4,133	3,975
Collectively evaluated for impairment	4,017	3,794
Individually evaluated for impairment	116	181
Allowance for Credit Losses
Allowance for credit losses, beginning balance	119
Charge-offs	(12)
Provision	(3)
Other	2
Allowance for credit losses, ending balance	105
Collectively evaluated for impairment	12	11
Individually evaluated for impairment	$ 93	$ 108