Guarantor Consolidating Financial Statements Guarantor Cash Flow (Details) (USD $) | 3 Months Ended |
Mar. 31, 2014 | Mar. 31, 2013 |
Condensed Cash Flow Statements, Captions [Line Items] | ' | ' |
Net Cash Provided by (Used in) Operating Activities | $465,000,000 | $315,000,000 |
Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract] | ' | ' |
Purchases of consumer finance receivables, net | -3,304,000,000 | -1,343,000,000 |
Principal Collection and Recoveries on Receivables | -2,617,000,000 | -1,096,000,000 |
Proceeds from sale of consumer finance receivables, net | 0 | 0 |
Payments To Acquire Commercial Lending Receivable | ' | 273,000,000 |
Principal Collections and Recoveries on Commercial Lending Receivables | -350,000,000 | ' |
Purchases of leased vehicles, net | -628,000,000 | -510,000,000 |
Proceeds from termination of leased vehicles | 123,000,000 | 37,000,000 |
Purchases of property and equipment | -7,000,000 | -1,000,000 |
Change in restricted cash | -147,000,000 | -88,000,000 |
Change in other assets | 0 | 5,000,000 |
Investments in and Advances to Affiliates, at Fair Value, Period Increase (Decrease) | 0 | ' |
Net change in investment in affiliates | ' | 0 |
Net Cash Provided by (Used in) Investing Activities, Continuing Operations | -1,696,000,000 | -1,077,000,000 |
Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract] | ' | ' |
Net increase in debt (original maturities less than three months) | 451,000,000 | ' |
Borrowings and issuance of secured debt | 5,070,000,000 | 3,384,000,000 |
Payments on secured debt | -4,238,000,000 | -1,000,000,000 |
Proceeds from Issuance of Unsecured Debt | 390,000,000 | 0 |
Repayments of Unsecured Debt | -330,000,000 | 0 |
Proceeds from Contributed Capital | 0 | ' |
Payments of Debt Issuance Costs | -23,000,000 | -13,000,000 |
Proceeds from Contributions from Parent | ' | 0 |
Increase (Decrease) Due from Affiliates | ' | 0 |
Net Cash Provided by (Used in) Financing Activities, Continuing Operations | 1,320,000,000 | 2,371,000,000 |
Cash and Cash Equivalents, Period Increase (Decrease) | 89,000,000 | 1,609,000,000 |
Effect of Exchange Rate on Cash and Cash Equivalents | -1,000,000 | -1,000,000 |
Cash and cash equivalents | 1,162,000,000 | 2,897,000,000 |
Parent Company [Member] | ' | ' |
Condensed Cash Flow Statements, Captions [Line Items] | ' | ' |
Net Cash Provided by (Used in) Operating Activities | 175,000,000 | 28,000,000 |
Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract] | ' | ' |
Purchases of consumer finance receivables, net | 0 | 0 |
Principal Collection and Recoveries on Receivables | 0 | 0 |
Proceeds from sale of consumer finance receivables, net | ' | 0 |
Payments To Acquire Commercial Lending Receivable | ' | 0 |
Principal Collections and Recoveries on Commercial Lending Receivables | 0 | ' |
Purchases of leased vehicles, net | ' | 0 |
Purchases of property and equipment | 0 | 0 |
Change in restricted cash | 0 | 0 |
Change in other assets | ' | 0 |
Investments in and Advances to Affiliates, at Fair Value, Period Increase (Decrease) | 0 | ' |
Net change in investment in affiliates | ' | 6,000,000 |
Net Cash Provided by (Used in) Investing Activities, Continuing Operations | 0 | -6,000,000 |
Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract] | ' | ' |
Borrowings and issuance of secured debt | 0 | 0 |
Payments on secured debt | 0 | 0 |
Proceeds from Issuance of Unsecured Debt | 0 | ' |
Repayments of Unsecured Debt | 0 | ' |
Proceeds from Contributed Capital | -45,000,000 | ' |
Payments of Debt Issuance Costs | 0 | 0 |
Proceeds from Contributions from Parent | ' | 0 |
Increase (Decrease) Due from Affiliates | 130,000,000 | -21,000,000 |
Net Cash Provided by (Used in) Financing Activities, Continuing Operations | -175,000,000 | -21,000,000 |
Cash and Cash Equivalents, Period Increase (Decrease) | 0 | 0 |
Effect of Exchange Rate on Cash and Cash Equivalents | 0 | 0 |
Cash and cash equivalents | 0 | 0 |
Guarantor Subsidiaries [Member] | ' | ' |
Condensed Cash Flow Statements, Captions [Line Items] | ' | ' |
Net Cash Provided by (Used in) Operating Activities | 57,000,000 | 113,000,000 |
Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract] | ' | ' |
Purchases of consumer finance receivables, net | -1,363,000,000 | -1,343,000,000 |
Principal Collection and Recoveries on Receivables | 33,000,000 | 0 |
Proceeds from sale of consumer finance receivables, net | -881,000,000 | 2,114,000,000 |
Payments To Acquire Commercial Lending Receivable | ' | 361,000,000 |
Principal Collections and Recoveries on Commercial Lending Receivables | -152,000,000 | ' |
Purchases of leased vehicles, net | ' | 0 |
Purchases of property and equipment | 0 | 0 |
Change in restricted cash | -3,000,000 | 0 |
Change in other assets | ' | 0 |
Investments in and Advances to Affiliates, at Fair Value, Period Increase (Decrease) | -640,000,000 | ' |
Net change in investment in affiliates | ' | 1,095,000,000 |
Net Cash Provided by (Used in) Investing Activities, Continuing Operations | -24,000,000 | 47,000,000 |
Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract] | ' | ' |
Borrowings and issuance of secured debt | 0 | 0 |
Payments on secured debt | 0 | 0 |
Proceeds from Issuance of Unsecured Debt | 0 | ' |
Repayments of Unsecured Debt | 0 | ' |
Proceeds from Contributed Capital | 0 | ' |
Payments of Debt Issuance Costs | 0 | 0 |
Proceeds from Contributions from Parent | ' | 0 |
Increase (Decrease) Due from Affiliates | -112,000,000 | 1,422,000,000 |
Net Cash Provided by (Used in) Financing Activities, Continuing Operations | 112,000,000 | 1,422,000,000 |
Cash and Cash Equivalents, Period Increase (Decrease) | 145,000,000 | 1,582,000,000 |
Effect of Exchange Rate on Cash and Cash Equivalents | 0 | 0 |
Cash and cash equivalents | 540,000,000 | 2,834,000,000 |
Non-Guarantor Subsidiaries [Member] | ' | ' |
Condensed Cash Flow Statements, Captions [Line Items] | ' | ' |
Net Cash Provided by (Used in) Operating Activities | 233,000,000 | 174,000,000 |
Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract] | ' | ' |
Purchases of consumer finance receivables, net | -2,822,000,000 | -2,114,000,000 |
Principal Collection and Recoveries on Receivables | -2,650,000,000 | -1,096,000,000 |
Proceeds from sale of consumer finance receivables, net | 0 | 0 |
Payments To Acquire Commercial Lending Receivable | ' | -644,000,000 |
Principal Collections and Recoveries on Commercial Lending Receivables | -198,000,000 | ' |
Purchases of leased vehicles, net | -628,000,000 | -510,000,000 |
Proceeds from termination of leased vehicles | 123,000,000 | 37,000,000 |
Purchases of property and equipment | -7,000,000 | -1,000,000 |
Change in restricted cash | -150,000,000 | -88,000,000 |
Change in other assets | ' | 5,000,000 |
Investments in and Advances to Affiliates, at Fair Value, Period Increase (Decrease) | 0 | ' |
Net change in investment in affiliates | ' | 0 |
Net Cash Provided by (Used in) Investing Activities, Continuing Operations | -1,032,000,000 | -2,219,000,000 |
Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract] | ' | ' |
Net increase in debt (original maturities less than three months) | 451,000,000 | ' |
Borrowings and issuance of secured debt | 5,070,000,000 | 3,384,000,000 |
Payments on secured debt | -4,238,000,000 | -1,000,000,000 |
Proceeds from Issuance of Unsecured Debt | 390,000,000 | ' |
Repayments of Unsecured Debt | -330,000,000 | ' |
Proceeds from Contributed Capital | -595,000,000 | ' |
Payments of Debt Issuance Costs | -23,000,000 | -13,000,000 |
Proceeds from Contributions from Parent | ' | 1,101,000,000 |
Increase (Decrease) Due from Affiliates | -18,000,000 | -1,401,000,000 |
Net Cash Provided by (Used in) Financing Activities, Continuing Operations | 743,000,000 | 2,071,000,000 |
Cash and Cash Equivalents, Period Increase (Decrease) | -56,000,000 | 26,000,000 |
Effect of Exchange Rate on Cash and Cash Equivalents | -1,000,000 | -1,000,000 |
Cash and cash equivalents | 622,000,000 | 62,000,000 |
Consolidation, Eliminations [Member] | ' | ' |
Condensed Cash Flow Statements, Captions [Line Items] | ' | ' |
Net Cash Provided by (Used in) Operating Activities | 0 | ' |
Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract] | ' | ' |
Purchases of consumer finance receivables, net | 881,000,000 | -2,114,000,000 |
Principal Collection and Recoveries on Receivables | 0 | 0 |
Proceeds from sale of consumer finance receivables, net | 881,000,000 | -2,114,000,000 |
Payments To Acquire Commercial Lending Receivable | ' | 732,000,000 |
Principal Collections and Recoveries on Commercial Lending Receivables | 0 | ' |
Purchases of leased vehicles, net | ' | 0 |
Purchases of property and equipment | 0 | 0 |
Change in restricted cash | 0 | 0 |
Change in other assets | ' | 0 |
Investments in and Advances to Affiliates, at Fair Value, Period Increase (Decrease) | 640,000,000 | ' |
Net change in investment in affiliates | ' | 1,101,000,000 |
Net Cash Provided by (Used in) Investing Activities, Continuing Operations | -640,000,000 | 1,101,000,000 |
Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract] | ' | ' |
Borrowings and issuance of secured debt | 0 | 0 |
Payments on secured debt | 0 | 0 |
Proceeds from Issuance of Unsecured Debt | 0 | ' |
Repayments of Unsecured Debt | 0 | ' |
Proceeds from Contributed Capital | 640,000,000 | ' |
Payments of Debt Issuance Costs | 0 | 0 |
Proceeds from Contributions from Parent | ' | -1,101,000,000 |
Increase (Decrease) Due from Affiliates | ' | 0 |
Net Cash Provided by (Used in) Financing Activities, Continuing Operations | 640,000,000 | -1,101,000,000 |
Cash and Cash Equivalents, Period Increase (Decrease) | 0 | 0 |
Effect of Exchange Rate on Cash and Cash Equivalents | 0 | 0 |
Cash and cash equivalents | $0 | ' |