Accounts Receivable and Finance Receivables (Details 4) (USD $) In Millions, unless otherwise specified	3 Months Ended	12 Months Ended
	Mar. 31, 2012	Dec. 31, 2011
Summary of impaired finance receivables, excluding leveraged leases
Recorded investment, Total Impaired Loans	$ 324	$ 381
Unpaid Principal Balance	389	489
Allowance For Losses On Impaired Loans	73	86
Average Recorded Investment	354	723
Aviation [Member]
Summary of impaired finance receivables, excluding leveraged leases
Recorded investment, Total Impaired Loans	109	139
Unpaid Principal Balance	113	142
Allowance For Losses On Impaired Loans	21	39
Average Recorded Investment	124	146
Timeshare [Member]
Summary of impaired finance receivables, excluding leveraged leases
Recorded investment, Total Impaired Loans	200	227
Unpaid Principal Balance	250	288
Allowance For Losses On Impaired Loans	42	38
Average Recorded Investment	213	315
Golf Equipment [Member]
Summary of impaired finance receivables, excluding leveraged leases
Recorded investment, Total Impaired Loans	2
Unpaid Principal Balance	2
Allowance For Losses On Impaired Loans	1
Average Recorded Investment	2
Golf Mortgage [Member]
Summary of impaired finance receivables, excluding leveraged leases
Average Recorded Investment		232
Other Liquidating [Member]
Summary of impaired finance receivables, excluding leveraged leases
Recorded investment, Total Impaired Loans	13	15
Unpaid Principal Balance	24	59
Allowance For Losses On Impaired Loans	9	9
Average Recorded Investment	15	30
Impaired Loans with Related Allowance for Credit Losses [Member]
Summary of impaired finance receivables, excluding leveraged leases
Recorded investment, Total Impaired Loans	162	161
Impaired Loans with Related Allowance for Credit Losses [Member] | Aviation [Member]
Summary of impaired finance receivables, excluding leveraged leases
Recorded investment, Total Impaired Loans	70	92
Impaired Loans with Related Allowance for Credit Losses [Member] | Timeshare [Member]
Summary of impaired finance receivables, excluding leveraged leases
Recorded investment, Total Impaired Loans	78	57
Impaired Loans with Related Allowance for Credit Losses [Member] | Golf Equipment [Member]
Summary of impaired finance receivables, excluding leveraged leases
Recorded investment, Total Impaired Loans	2
Impaired Loans with Related Allowance for Credit Losses [Member] | Other Liquidating [Member]
Summary of impaired finance receivables, excluding leveraged leases
Recorded investment, Total Impaired Loans	12	12
Impaired Loans with No Related Allowance for Credit Losses [Member]
Summary of impaired finance receivables, excluding leveraged leases
Recorded investment, Total Impaired Loans	162	220
Impaired Loans with No Related Allowance for Credit Losses [Member] | Aviation [Member]
Summary of impaired finance receivables, excluding leveraged leases
Recorded investment, Total Impaired Loans	39	47
Impaired Loans with No Related Allowance for Credit Losses [Member] | Timeshare [Member]
Summary of impaired finance receivables, excluding leveraged leases
Recorded investment, Total Impaired Loans	122	170
Impaired Loans with No Related Allowance for Credit Losses [Member] | Other Liquidating [Member]
Summary of impaired finance receivables, excluding leveraged leases
Recorded investment, Total Impaired Loans	$ 1	$ 3