Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Statement of Cash Flows [Abstract]
Net cash provided by operating activities of continuing operations (Note 2)	$ 977,093	$ 801,458	$ 885,291
Cash flows from investing activities of continuing operations:
Capital expenditures	(208,321)	(189,002)	(189,035)
Origination of finance receivables	(3,244,005)	(2,858,701)	(2,622,024)
Collections on finance receivables	2,831,994	2,768,089	2,760,049
Purchases of marketable securities	(4,998)	(4,993)	(142,653)
Sales and redemptions of marketable securities	40,108	23,296	130,121
Other	16,355	0	0
Net used by investing activities of continuing operations	(568,867)	(261,311)	(63,542)
Cash flows from financing activities of continuing operations:
Proceeds from issuance of medium-term notes	0	993,737	447,076
Repayments of medium-term notes	(27,858)	(420,870)	(59,211)
Proceeds from securitization debt	647,516	763,895	1,082,599
Repayments of securitization debt	(840,387)	(1,405,599)	(1,754,568)
Borrowings of asset-backed commercial paper	88,456	200,417	0
Repayments of asset-backed commercial paper	(78,765)	(24,301)	(483)
Net increase (decrease) in credit facilities and unsecured commercial paper	371,085	(744,724)	237,827
Net change in restricted cash	43,201	41,647	59,232
Dividends paid	(187,688)	(141,681)	(111,011)
Purchase of common stock for treasury	(479,231)	(311,632)	(224,548)
Excess tax benefits from share-based payments	19,895	13,065	6,303
Issuance of common stock under employee stock option plans	50,567	45,973	7,840
Net cash used by financing activities of continuing operations	(393,209)	(990,073)	(308,944)
Effect of exchange rate changes on cash and cash equivalents	(16,543)	(8,886)	(7,788)
Net (decrease) increase in cash and cash equivalents from continuing operations	(1,526)	(458,812)	505,017
Cash and cash equivalents:
Cash and cash equivalents—beginning of period	1,068,138	1,526,950	1,021,933
Net (decrease) increase in cash and cash equivalents	(1,526)	(458,812)	505,017
Cash and cash equivalents—end of period	$ 1,066,612	$ 1,068,138	$ 1,526,950