Guarantor Consolidating Financial Statements Guarantor Cash Flow (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract]
Net income	$ 566	$ 463	$ 386
Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]
Depreciation and amortization	545	255	110
Accretion and amortization of loan and leasing fees	(88)	(53)	(21)
Amortization of carrying value adjustment	(94)	(11)	177
Amortization of purchase accounting premium	4	(32)	(68)
Provision for loan losses	475	304	178
Deferred income taxes	179	3	50
Share based compensation expense	9	4	17
Foreign Currency Transaction Gain, before Tax	(118)
Other	(53)	(11)	(23)
Increase (Decrease) in Operating Capital [Abstract]
Other assets	(127)	2	35
Accounts payable and accrued expenses	195	48	(21)
Taxes payable	20	8	(77)
Related party taxes payable	(103)	258	258
Net Cash Provided by (Used in) Operating Activities	1,410	1,238	1,001
Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract]
Payments to Acquire Receivables	(9,596)	(5,556)	(5,021)
Principal Collection and Recoveries on Receivables	(7,524)	(4,007)	(3,719)
Proceeds from sale of consumer finance receivables, net	0	0
Payments To Acquire Commercial Lending Receivable	27,966	1,224
Principal Collections and Recoveries on Commercial Lending Receivables	26,871	667	38
Payments to Acquire Businesses, Gross			1
Proceeds from sale of commercial finance receivables, net	0
Payments to Acquire Leases Held-for-investment	(2,262)	(1,077)	(857)
Proceeds from Leases Held-for-investment	217	55	38
Payments to Acquire Businesses, Net of Cash Acquired	(2,615)		(1)
Payments to Acquire Property, Plant, and Equipment	(16)	(13)	(8)
Increase (Decrease) in Restricted Cash and Investments	(267)	312	2
Payments for (Proceeds from) Other Investing Activities	3	(11)	(12)
Investments in and Advances to Affiliates, at Fair Value, Period Increase (Decrease)	0
Net change in investment in affiliates		0	0
Net Cash Provided by (Used in) Investing Activities, Continuing Operations	(8,107)	(2,840)	(2,140)
Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract]
Proceeds from Lines of Credit	17,378	7,600	8,067
Repayments of Lines of Credit	(13,222)	(6,233)	(6,922)
Proceeds from Issuance of Unsecured Debt	5,224	1,000	500
Repayments of Unsecured Debt	(2,699)
Proceeds from Related Party Debt	1,100		200
Repayments of Related Party Debt	(1,100)		(200)
Repayment of acquisition related debt	(1,416)
Proceeds from Contributed Capital	1,300
Payments of Debt Issuance Costs	(76)	(48)	(49)
Extinguishment of Debt, Amount	0	(1)	(75)
Proceeds from Contributions from Parent		0	0
Proceeds from (Payments for) Other Financing Activities	2		(1)
Increase (Decrease) Due from Affiliates	(2)	0
Net Cash Provided by (Used in) Financing Activities, Continuing Operations	6,491	2,318	1,520
Cash and Cash Equivalents, Period Increase (Decrease)	(206)	716	381
Effect of Exchange Rate on Cash and Cash Equivalents	(9)	1	(3)
Cash and cash equivalents	1,074	1,289	572
Parent Company [Member]
Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract]
Net income	566	463	386
Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]
Depreciation and amortization	8	3	6
Amortization of purchase accounting premium			0
Deferred income taxes	9	(10)	98
Share based compensation expense	9	4	17
Foreign Currency Transaction Gain, before Tax	(118)
Other			(2)
Change In Equity In Income Of Affiliates	(584)	(489)	(405)
Increase (Decrease) in Operating Capital [Abstract]
Other assets	71	(3)	(2)
Accounts payable and accrued expenses	73	3	(35)
Taxes payable	(6)	11	(76)
Related party taxes payable	76	258	258
Net Cash Provided by (Used in) Operating Activities	(38)	246	253
Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract]
Payments to Acquire Businesses, Net of Cash Acquired	(3,222)
Payments to Acquire Property, Plant, and Equipment			(2)
Payments for (Proceeds from) Other Investing Activities		(45)
Investments in and Advances to Affiliates, at Fair Value, Period Increase (Decrease)	29
Net change in investment in affiliates			7
Net Cash Provided by (Used in) Investing Activities, Continuing Operations	(3,251)	(45)	(5)
Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract]
Proceeds from Issuance of Unsecured Debt	2,500	1,000	500
Proceeds from Related Party Debt	1,100
Repayments of Related Party Debt	(1,100)
Proceeds from Contributed Capital	1,478
Payments of Debt Issuance Costs	(30)	(12)	(8)
Extinguishment of Debt, Amount		(1)	(75)
Proceeds from (Payments for) Other Financing Activities			1
Increase (Decrease) Due from Affiliates	1	(1,188)	(653)
Net Cash Provided by (Used in) Financing Activities, Continuing Operations	3,289	(201)	(237)
Cash and Cash Equivalents, Period Increase (Decrease)			11
Effect of Exchange Rate on Cash and Cash Equivalents			(11)
Guarantor Subsidiaries [Member]
Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract]
Net income	446	501	388
Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]
Depreciation and amortization	2	2	2
Accretion and amortization of loan and leasing fees	(2)	0	2
Amortization of carrying value adjustment	(2)	0	10
Provision for loan losses	239	231	158
Deferred income taxes	133	78	(1)
Other	0	(2)	(18)
Change In Equity In Income Of Affiliates	(551)	(599)	(489)
Increase (Decrease) in Operating Capital [Abstract]
Other assets	(22)	4	0
Accounts payable and accrued expenses	34	32	30
Taxes payable	(5)	(1)	5
Net Cash Provided by (Used in) Operating Activities	320	242	119
Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract]
Payments to Acquire Receivables	(5,134)	(5,556)	(5,021)
Principal Collection and Recoveries on Receivables	124	(1)	1
Proceeds from sale of consumer finance receivables, net	(5,936)	4,888	4,803
Payments To Acquire Commercial Lending Receivable	1,852	1,224
Principal Collections and Recoveries on Commercial Lending Receivables	1,067	667
Proceeds from sale of commercial finance receivables, net	824
Payments to Acquire Businesses, Net of Cash Acquired	(863)
Payments to Acquire Property, Plant, and Equipment	(3)	(2)	(2)
Increase (Decrease) in Restricted Cash and Investments	16
Payments for (Proceeds from) Other Investing Activities	0	31	(3)
Investments in and Advances to Affiliates, at Fair Value, Period Increase (Decrease)	818
Net change in investment in affiliates		(2,738)	(792)
Net Cash Provided by (Used in) Investing Activities, Continuing Operations	(983)	1,541	570
Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract]
Proceeds from Contributions from Parent			16
Increase (Decrease) Due from Affiliates		(1,032)	389
Net Cash Provided by (Used in) Financing Activities, Continuing Operations	(194)	(1,032)	(373)
Cash and Cash Equivalents, Period Increase (Decrease)	(857)	751	316
Cash and cash equivalents	395	1,252	501
Non-Guarantor Subsidiaries [Member]
Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract]
Net income	689	587	506
Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]
Depreciation and amortization	535	250	102
Accretion and amortization of loan and leasing fees	90	53	19
Amortization of carrying value adjustment	(92)	(11)	167
Amortization of purchase accounting premium	4	(32)	(68)
Provision for loan losses	236	73	20
Deferred income taxes	37	(65)	(47)
Other	53	13	43
Increase (Decrease) in Operating Capital [Abstract]
Other assets	78	(3)	(33)
Accounts payable and accrued expenses	88	13	(16)
Taxes payable	31	(2)	(6)
Net Cash Provided by (Used in) Operating Activities	1,128	750	629
Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract]
Payments to Acquire Receivables	(10,398)	(4,888)	(4,803)
Principal Collection and Recoveries on Receivables	(7,648)	(4,008)	(3,718)
Payments To Acquire Commercial Lending Receivable	26,938
Principal Collections and Recoveries on Commercial Lending Receivables	25,758		38
Payments to Acquire Businesses, Gross			1
Payments to Acquire Leases Held-for-investment	(2,262)	(1,077)	857
Proceeds from Leases Held-for-investment	217	55
Payments to Acquire Businesses, Net of Cash Acquired	607
Payments to Acquire Property, Plant, and Equipment	(13)	(11)	(8)
Increase (Decrease) in Restricted Cash and Investments	(251)	312	2
Payments for (Proceeds from) Other Investing Activities	3	3	(9)
Net Cash Provided by (Used in) Investing Activities, Continuing Operations	(5,629)	(1,598)	(1,920)
Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract]
Proceeds from Lines of Credit	17,378	7,600	8,067
Repayments of Lines of Credit	(13,222)	(6,233)	(6,922)
Proceeds from Issuance of Unsecured Debt	2,724
Repayments of Unsecured Debt	(2,699)
Repayment of acquisition related debt	(1,416)
Proceeds from Contributed Capital	672
Payments of Debt Issuance Costs	(46)	(36)	41
Proceeds from Contributions from Parent		(2,745)	721
Increase (Decrease) Due from Affiliates	1	2,220	463
Net Cash Provided by (Used in) Financing Activities, Continuing Operations	5,155	806	1,362
Cash and Cash Equivalents, Period Increase (Decrease)	654	(42)	71
Effect of Exchange Rate on Cash and Cash Equivalents	(12)	8	(9)
Cash and cash equivalents	679	37	71
Consolidation, Eliminations [Member]
Increase (Decrease) in Operating Capital [Abstract]
Net Cash Provided by (Used in) Operating Activities			0
Consolidation, Eliminations [Member]
Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract]
Net income	(1,135)	(1,088)	(894)
Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]
Change In Equity In Income Of Affiliates	1,135	1,088	894
Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract]
Payments to Acquire Receivables	5,936	(4,888)	(4,803)
Proceeds from sale of consumer finance receivables, net	5,936	(4,888)	(4,803)
Payments To Acquire Commercial Lending Receivable	(824)
Principal Collections and Recoveries on Commercial Lending Receivables	46
Payments to Acquire Businesses, Gross			0
Proceeds from sale of commercial finance receivables, net	(824)
Payments to Acquire Businesses, Net of Cash Acquired	863
Investments in and Advances to Affiliates, at Fair Value, Period Increase (Decrease)	(847)
Net change in investment in affiliates		(2,738)	(785)
Net Cash Provided by (Used in) Investing Activities, Continuing Operations	1,756	(2,738)	(785)
Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract]
Proceeds from Contributed Capital	(850)
Proceeds from Contributions from Parent		2,745	(737)
Increase (Decrease) Due from Affiliates			(1,505)
Net Cash Provided by (Used in) Financing Activities, Continuing Operations	(1,759)	2,745	768
Cash and Cash Equivalents, Period Increase (Decrease)	(3)	7	(17)
Effect of Exchange Rate on Cash and Cash Equivalents	$ 3	$ (7)	$ 17