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Summary of Geographic Segment Information (Detail) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Net revenues | $ 8,502 | $ 8,485 | $ 7,937
Assets exclusive of assets under vehicle programs | 5,918 | 5,784 | 5,698
Assets under vehicle programs | 11,716 | 11,058 | 10,452
Long-Lived Assets | 2,571 | 2,366 | 2,228
Deferred Finance Costs, Net |  | 127 | 134
United States |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Net revenues | 5,635 | 5,471 | 5,030
Assets exclusive of assets under vehicle programs | 3,677 | 3,745 | 3,608
Assets under vehicle programs | 8,786 | 8,428 | 7,791
Long-Lived Assets | 1,502 | 1,481 | 1,281
Deferred Finance Costs, Net |  | 114 | 121
All Other Countries |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Net revenues | 2,867 | 3,014 | 2,907
Assets exclusive of assets under vehicle programs | 2,241 | 2,039 | 2,090
Assets under vehicle programs | 2,930 | 2,630 | 2,661
Long-Lived Assets | $ 1,069 | 885 | 947
Deferred Finance Costs, Net |  | $ 13 | $ 13

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