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Consolidating Condensed Statements of Operations (Detail) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Condensed Financial Statements, Captions [Line Items] |  |  |
Vehicle rental | $ 6,026,000,000 | $ 6,026,000,000 | $ 5,707,000,000
Other | 2,476,000,000 | 2,459,000,000 | 2,230,000,000
Net revenues | 8,502,000,000 | 8,485,000,000 | 7,937,000,000
Operating | 4,284,000,000 | 4,251,000,000 | 4,074,000,000
Vehicle depreciation and lease charges, net | 1,933,000,000 | 1,996,000,000 | 1,811,000,000
Selling, general and administrative | 1,093,000,000 | 1,080,000,000 | 1,019,000,000
Vehicle interest, net | 289,000,000 | 282,000,000 | 264,000,000
Non-vehicle related depreciation and amortization | 218,000,000 | 180,000,000 | 152,000,000
Interest expense | 194,000,000 | 209,000,000 | 228,000,000
Intercompany interest expense (income) | 0 | 0 | 0
Early extinguishment of debt | 23,000,000 | 56,000,000 | 147,000,000
Restructuring expense | 18,000,000 | 26,000,000 | 61,000,000
Transaction-related costs, net | 68,000,000 | 13,000,000 | 51,000,000
Impairment | 0 | 0 | 33,000,000
Total expenses | 8,120,000,000 | 8,093,000,000 | 7,840,000,000
Income before income taxes | 382,000,000 | 392,000,000 | 97,000,000
Provision for (benefit from) income taxes | 69,000,000 | 147,000,000 | 81,000,000
Equity in earnings (loss) of subsidiaries | 0 | 0 | 0
Net income | 313,000,000 | 245,000,000 | 16,000,000
Total comprehensive income | 188,000,000 | 106,000,000 | 23,000,000
Parent Company |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |
Vehicle rental | 0 | 0 | 0
Other | 0 | 0 | 0
Net revenues | 0 | 0 | 0
Operating | 2,000,000 | 10,000,000 | 7,000,000
Vehicle depreciation and lease charges, net | 0 | 0 | 0
Selling, general and administrative | 32,000,000 | 27,000,000 | 35,000,000
Vehicle interest, net | 0 | 0 | 0
Non-vehicle related depreciation and amortization | 0 | 0 | 0
Interest expense | 0 | 2,000,000 | 3,000,000
Intercompany interest expense (income) | (12,000,000) | (13,000,000) | (12,000,000)
Early extinguishment of debt | 0 | 0 | 53,000,000
Restructuring expense | 0 | 0 | 0
Transaction-related costs, net | 0 | 1,000,000 | 1,000,000
Impairment |  |  | 0
Total expenses | 22,000,000 | 27,000,000 | 87,000,000
Income before income taxes | (22,000,000) | (27,000,000) | (87,000,000)
Provision for (benefit from) income taxes | (9,000,000) | (10,000,000) | (14,000,000)
Equity in earnings (loss) of subsidiaries | 326,000,000 | 262,000,000 | 89,000,000
Net income | 313,000,000 | 245,000,000 | 16,000,000
Total comprehensive income | 188,000,000 | 106,000,000 | 23,000,000
Subsidiary Issuers |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |
Vehicle rental | 0 | 0 | 0
Other | 0 | 0 | 0
Net revenues | 0 | 0 | 0
Operating | 17,000,000 | 13,000,000 | 15,000,000
Vehicle depreciation and lease charges, net | 1,000,000 | 1,000,000 | 0
Selling, general and administrative | 15,000,000 | 23,000,000 | 6,000,000
Vehicle interest, net | 0 | 0 | 0
Non-vehicle related depreciation and amortization | 1,000,000 | 2,000,000 | 2,000,000
Interest expense | 159,000,000 | 163,000,000 | 196,000,000
Intercompany interest expense (income) | (11,000,000) | (11,000,000) | (30,000,000)
Early extinguishment of debt | 23,000,000 | 56,000,000 | 94,000,000
Restructuring expense | 0 | 0 | 0
Transaction-related costs, net | 22,000,000 | 8,000,000 | 24,000,000
Impairment |  |  | 33,000,000
Total expenses | 227,000,000 | 255,000,000 | 340,000,000
Income before income taxes | (227,000,000) | (255,000,000) | (340,000,000)
Provision for (benefit from) income taxes | (178,000,000) | (108,000,000) | (124,000,000)
Equity in earnings (loss) of subsidiaries | 375,000,000 | 409,000,000 | 305,000,000
Net income | 326,000,000 | 262,000,000 | 89,000,000
Total comprehensive income | 203,000,000 | 123,000,000 | 96,000,000
Guarantor Subsidiaries |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |
Vehicle rental | 4,124,000,000 | 4,038,000,000 | 3,786,000,000
Other | 1,181,000,000 | 1,167,000,000 | 1,098,000,000
Net revenues | 5,305,000,000 | 5,205,000,000 | 4,884,000,000
Operating | 2,587,000,000 | 2,525,000,000 | 2,425,000,000
Vehicle depreciation and lease charges, net | 1,819,000,000 | 1,920,000,000 | 1,776,000,000
Selling, general and administrative | 619,000,000 | 602,000,000 | 591,000,000
Vehicle interest, net | 204,000,000 | 200,000,000 | 182,000,000
Non-vehicle related depreciation and amortization | 133,000,000 | 111,000,000 | 97,000,000
Interest expense | (5,000,000) | 2,000,000 | 0
Intercompany interest expense (income) | 16,000,000 | 1,000,000 | 6,000,000
Early extinguishment of debt | 0 | 0 | 0
Restructuring expense | 6,000,000 | 7,000,000 | 25,000,000
Transaction-related costs, net | 6,000,000 | (20,000,000) | 3,000,000
Impairment |  |  | 0
Total expenses | 5,385,000,000 | 5,348,000,000 | 5,105,000,000
Income before income taxes | (80,000,000) | (143,000,000) | (221,000,000)
Provision for (benefit from) income taxes | 170,000,000 | 186,000,000 | 156,000,000
Equity in earnings (loss) of subsidiaries | 625,000,000 | 738,000,000 | 682,000,000
Net income | 375,000,000 | 409,000,000 | 305,000,000
Total comprehensive income | 253,000,000 | 273,000,000 | 310,000,000
Non-Guarantor Subsidiaries |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |
Vehicle rental | 1,902,000,000 | 1,988,000,000 | 1,921,000,000
Other | 3,335,000,000 | 3,426,000,000 | 3,086,000,000
Net revenues | 5,237,000,000 | 5,414,000,000 | 5,007,000,000
Operating | 1,678,000,000 | 1,703,000,000 | 1,627,000,000
Vehicle depreciation and lease charges, net | 1,936,000,000 | 1,996,000,000 | 1,806,000,000
Selling, general and administrative | 427,000,000 | 428,000,000 | 387,000,000
Vehicle interest, net | 302,000,000 | 295,000,000 | 265,000,000
Non-vehicle related depreciation and amortization | 84,000,000 | 67,000,000 | 53,000,000
Interest expense | 40,000,000 | 42,000,000 | 29,000,000
Intercompany interest expense (income) | 7,000,000 | 23,000,000 | 36,000,000
Early extinguishment of debt | 0 | 0 | 0
Restructuring expense | 12,000,000 | 19,000,000 | 36,000,000
Transaction-related costs, net | 40,000,000 | 24,000,000 | 23,000,000
Impairment |  |  | 0
Total expenses | 4,526,000,000 | 4,597,000,000 | 4,262,000,000
Income before income taxes | 711,000,000 | 817,000,000 | 745,000,000
Provision for (benefit from) income taxes | 86,000,000 | 79,000,000 | 63,000,000
Equity in earnings (loss) of subsidiaries | 0 | 0 | 0
Net income | 625,000,000 | 738,000,000 | 682,000,000
Total comprehensive income | 504,000,000 | 624,000,000 | 657,000,000
Eliminations |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |
Vehicle rental | 0 | 0 | 0
Other | (2,040,000,000) | (2,134,000,000) | (1,954,000,000)
Net revenues | (2,040,000,000) | (2,134,000,000) | (1,954,000,000)
Operating | 0 | 0 | 0
Vehicle depreciation and lease charges, net | (1,823,000,000) | (1,921,000,000) | (1,771,000,000)
Selling, general and administrative | 0 | 0 | 0
Vehicle interest, net | (217,000,000) | (213,000,000) | (183,000,000)
Non-vehicle related depreciation and amortization | 0 | 0 | 0
Interest expense | 0 | 0 | 0
Intercompany interest expense (income) | 0 | 0 | 0
Early extinguishment of debt | 0 | 0 | 0
Restructuring expense | 0 | 0 | 0
Transaction-related costs, net | 0 | 0 | 0
Impairment |  |  | 0
Total expenses | (2,040,000,000) | (2,134,000,000) | (1,954,000,000)
Income before income taxes | 0 | 0 | 0
Provision for (benefit from) income taxes | 0 | 0 | 0
Equity in earnings (loss) of subsidiaries | (1,326,000,000) | (1,409,000,000) | (1,076,000,000)
Net income | (1,326,000,000) | (1,409,000,000) | (1,076,000,000)
Total comprehensive income | $ (960,000,000) | $ (1,020,000,000) | $ (1,063,000,000)

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