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Supplemental Guarantor Financial Information (Condensed Consolidated Statements of Cash Flows) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Net income (loss) |  | $ 1,177,172 | $ 808,498 | $ 295,402
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |  |
Depreciation and amortization |  | 1,843,003 | 1,282,228 | 337,730
Asset impairment |  | 16,335 | 21,828 | 26,155
Amortization of debt issuance costs and debt discount |  | 45,582 | 86,184 | 47,442
Amortization of lease premium intangibles |  | 23,042 | 17,967 | 8,746
Amortization of fair value adjustments on debt |  | (442,972) | (330,924) |
Accretion of fair value adjustments on deposits and maintenance liabilities |  | 76,246 | 71,806 |
Maintenance rights write off | [1] | 628,643 | 130,806 |
Maintenance liability release to income |  | 243,809 | 92,296 | 13,479
Net gain on sale of assets |  | (183,328) | (37,497) | (41,873)
Deferred income taxes |  | 110,353 | 115,859 | 21,186
Restructuring expenses |  | 49,311 |  |
Other |  | 90,074 | 102,139 | (1,921)
Net cash provided by operating activities |  | 3,360,040 | 2,313,674 | 693,261
Purchase of flight equipment |  | (2,772,110) | (2,088,444) | (1,782,839)
Proceeds from sale or disposal of assets |  | 1,568,235 | 569,633 | 664,415
Prepayments on flight equipment |  | (791,546) | (458,174) | (213,320)
Acquisition of ILFC, net of cash acquired |  |  | (195,311) |
Capital contributions to equity investments |  |  |  | (13,180)
Collections of finance and sales-type leases |  | 54,975 | 40,983 | 1,617
Movement in restricted cash |  | 297,941 | 282,523 | 7,866
Other | [2] | (73,400) |  |
Net cash used in investing activities |  | (1,715,905) | (1,848,790) | (1,335,441)
Issuance of debt |  | 3,913,840 | 5,411,602 | 2,299,706
Repayment of debt |  | (4,043,743) | (4,826,775) | (1,889,194)
Debt issuance costs paid |  | (49,417) | (134,963) | (45,213)
Maintenance payments received |  | 776,488 | 561,558 | 100,708
Maintenance payments returned |  | (558,477) | (286,041) | (56,909)
Lessee deposit liability |  | 891,454 | 848,332 |
Security deposits received |  | 171,408 | 107,332 | 23,364
Security deposits returned |  | (144,445) | (98,656) | (15,032)
Repurchase of shares and tax withholdings on share-based compensation | [3] | (793,945) |  |
Net cash (used in) provided by financing activities |  | (728,291) | 734,057 | 417,430
Net increase (decrease) in cash and cash equivalents |  | 915,844 | 1,198,941 | (224,750)
Effect of exchange rate changes |  | (3,115) | (4,086) | (137)
Cash and cash equivalents at beginning of period |  | 1,490,369 | 295,514 | 520,401
Cash and cash equivalents at end of period |  | 2,403,098 | 1,490,369 | 295,514
AerCap Aviation Notes [Member] |  |  |  |
Net income (loss) |  | 1,177,000 | 808,000 | 295,000
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |  |
Depreciation and amortization |  | 1,843,000 | 1,282,000 | 338,000
Asset impairment |  | 16,000 | 22,000 | 26,000
Amortization of debt issuance costs and debt discount |  | 46,000 | 86,000 | 47,000
Amortization of lease premium intangibles |  | 23,000 | 18,000 | 9,000
Amortization of fair value adjustments on debt |  | (443,000) | (331,000) |
Accretion of fair value adjustments on deposits and maintenance liabilities |  | 76,000 | 72,000 |
Maintenance rights write off |  | 629,000 | 131,000 |
Maintenance liability release to income |  | (244,000) | (92,000) | (13,000)
Net gain on sale of assets |  | (183,000) | (38,000) | (42,000)
Net (gain) loss on sale of assets |  |  | (37,000) |
Deferred income taxes |  | 110,000 | 116,000 | 21,000
Restructuring expenses |  | 49,000 |  |
Other |  | 90,000 | 102,000 | (3,000)
Cash flow from operating activities before changes in working capital |  | 3,189,000 | 2,177,000 | 678,000
Working capital |  | 171,000 | 137,000 | 15,000
Net cash provided by operating activities |  | 3,360,000 | 2,314,000 | 693,000
Purchase of flight equipment |  | (2,772,000) | (2,090,000) | (1,783,000)
Proceeds from sale or disposal of assets |  | 1,568,000 | 570,000 | 664,000
Prepayments on flight equipment |  | (792,000) | (458,000) | (213,000)
Acquisition of ILFC, net of cash acquired |  |  | (195,000) |
Capital contributions to equity investments |  |  |  | (13,000)
Collections of finance and sales-type leases |  | 55,000 | 41,000 | 3,000
Movement in restricted cash |  | 298,000 | 282,000 | 8,000
Other |  | (73,000) |  |
Net cash used in investing activities |  | (1,716,000) | (1,850,000) | (1,334,000)
Issuance of debt |  | 3,914,000 | 5,412,000 | 2,300,000
Repayment of debt |  | (4,044,000) | (4,827,000) | (1,890,000)
Debt issuance costs paid |  | (49,000) | (135,000) | (45,000)
Maintenance payments received |  | 776,000 | 562,000 | 101,000
Maintenance payments returned |  | (558,000) | (286,000) | (57,000)
Security deposits received |  | 171,000 | 107,000 | 23,000
Security deposits returned |  | (144,000) | (99,000) | (15,000)
Repurchase of shares and tax withholdings on share-based compensation |  | (794,000) |  |
Net cash (used in) provided by financing activities |  | (728,000) | 734,000 | 417,000
Net increase (decrease) in cash and cash equivalents |  | 916,000 | 1,198,000 | (224,000)
Effect of exchange rate changes |  | (3,000) | (4,000) |
Cash and cash equivalents at beginning of period |  | 1,490,000 | 296,000 | 520,000
Cash and cash equivalents at end of period |  | 2,403,000 | 1,490,000 | 296,000
AerCap Aviation Notes [Member] | AerCap Holdings N.V. [Member] |  |  |  |
Net income (loss) |  | 1,179,000 | 810,000 | 292,000
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |  |
Income from subsidiaries |  | (1,262,000) | (882,000) | (315,000)
Amortization of debt issuance costs and debt discount |  | 1,000 | 3,000 | 1,000
Deferred income taxes |  | (28,000) |  |
Other |  | 64,000 | 43,000 | 9,000
Cash flow from operating activities before changes in working capital |  | (46,000) | (26,000) | (13,000)
Working capital |  | 846,000 | 163,000 | (136,000)
Net cash provided by operating activities |  | 800,000 | 137,000 | (149,000)
Proceeds from sale or disposal of assets |  |  | 21,000 |
Net cash used in investing activities |  |  | 21,000 |
Issuance of debt |  | 300,000 | 75,000 | 150,000
Repayment of debt |  | (300,000) | (225,000) |
Debt issuance costs paid |  |  |  | (2,000)
Repurchase of shares and tax withholdings on share-based compensation |  | (794,000) |  |
Net cash (used in) provided by financing activities |  | (794,000) | (150,000) | 148,000
Net increase (decrease) in cash and cash equivalents |  | 6,000 | 8,000 | (1,000)
Effect of exchange rate changes |  | 1,000 | (1,000) |
Cash and cash equivalents at beginning of period |  | 7,000 |  | 1,000
Cash and cash equivalents at end of period |  | 14,000 | 7,000 |
AerCap Aviation Notes [Member] | AerCap Aviation Solutions B.V [Member] |  |  |  |
Net income (loss) |  | (15,000) | (20,000) | (12,000)
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |  |
Amortization of debt issuance costs and debt discount |  | 1,000 | 1,000 | 1,000
Deferred income taxes |  | (5,000) |  |
Cash flow from operating activities before changes in working capital |  | (19,000) | (19,000) | (11,000)
Working capital |  | 19,000 | 19,000 | 11,000
AerCap Aviation Notes [Member] | AerCap Ireland [Member] |  |  |  |
Net income (loss) |  | 1,072,000 | 700,000 | 140,000
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |  |
Income from subsidiaries |  | (1,088,000) | (869,000) | (202,000)
Dividends received |  |  | 12,000 | 3,000
Depreciation and amortization |  | 52,000 | 9,000 | 3,000
Amortization of debt issuance costs and debt discount |  | 9,000 |  | 1,000
Accretion of fair value adjustments on deposits and maintenance liabilities |  | 1,000 |  |
Maintenance rights write off |  | 7,000 |  |
Maintenance liability release to income |  | (4,000) |  |
Net gain on sale of assets |  | (14,000) | (10,000) | 12,000
Net (gain) loss on sale of assets |  |  | (10,000) |
Deferred income taxes |  | (2,000) | 93,000 | 6,000
Other |  | 26,000 | 7,000 |
Cash flow from operating activities before changes in working capital |  | 59,000 | (58,000) | (37,000)
Working capital |  | 537,000 | 1,131,000 | 100,000
Net cash provided by operating activities |  | 596,000 | 1,073,000 | 63,000
Purchase of flight equipment |  | (299,000) | (1,198,000) |
Proceeds from sale or disposal of assets |  | 94,000 | 737,000 |
Prepayments on flight equipment |  |  | (2,000) | 20,000
Collections of finance and sales-type leases |  | 3,000 |  |
Movement in restricted cash |  | (11,000) | 1,000 |
Net cash used in investing activities |  | (213,000) | (462,000) | 20,000
Issuance of debt |  |  | 43,000 |
Repayment of debt |  | (8,000) | (10,000) | (107,000)
Debt issuance costs paid |  | (1,000) |  |
Maintenance payments received |  | 19,000 | 26,000 | 3,000
Maintenance payments returned |  | (20,000) |  |
Security deposits received |  | 20,000 | 9,000 |
Security deposits returned |  | (7,000) | (2,000) | (3,000)
Net cash (used in) provided by financing activities |  | 3,000 | 66,000 | (107,000)
Net increase (decrease) in cash and cash equivalents |  | 386,000 | 677,000 | (24,000)
Effect of exchange rate changes |  | (9,000) | (1,000) | 1,000
Cash and cash equivalents at beginning of period |  | 816,000 | 140,000 | 163,000
Cash and cash equivalents at end of period |  | 1,193,000 | 816,000 | 140,000
AerCap Aviation Notes [Member] | Non-Guarantors [Member] |  |  |  |
Net income (loss) |  | 1,275,000 | 900,000 | 318,000
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |  |
Income from subsidiaries |  | 16,000 | 169,000 | 62,000
Depreciation and amortization |  | 1,791,000 | 1,273,000 | 335,000
Asset impairment |  | 16,000 | 22,000 | 26,000
Amortization of debt issuance costs and debt discount |  | 35,000 | 82,000 | 44,000
Amortization of lease premium intangibles |  | 23,000 | 18,000 | 9,000
Amortization of fair value adjustments on debt |  | (443,000) | (331,000) |
Accretion of fair value adjustments on deposits and maintenance liabilities |  | 75,000 | 72,000 |
Maintenance rights write off |  | 622,000 | 131,000 |
Maintenance liability release to income |  | (240,000) | (92,000) | (13,000)
Net gain on sale of assets |  | (169,000) | (28,000) | (42,000)
Net (gain) loss on sale of assets |  |  | (27,000) |
Deferred income taxes |  | 145,000 | 23,000 | 15,000
Restructuring expenses |  | 49,000 |  |
Other |  |  | 52,000 | (12,000)
Cash flow from operating activities before changes in working capital |  | 3,195,000 | 2,292,000 | 742,000
Working capital |  | (1,231,000) | (1,176,000) | 40,000
Net cash provided by operating activities |  | 1,964,000 | 1,116,000 | 782,000
Purchase of flight equipment |  | (2,473,000) | (892,000) | (1,783,000)
Proceeds from sale or disposal of assets |  | 1,474,000 | (188,000) | 664,000
Prepayments on flight equipment |  | (792,000) | (456,000) | (233,000)
Acquisition of ILFC, net of cash acquired |  |  | (195,000) |
Capital contributions to equity investments |  |  |  | (13,000)
Collections of finance and sales-type leases |  | 52,000 | 41,000 | 3,000
Movement in restricted cash |  | 309,000 | 281,000 | 8,000
Other |  | (73,000) |  |
Net cash used in investing activities |  | (1,503,000) | (1,409,000) | (1,354,000)
Issuance of debt |  | 3,614,000 | 5,294,000 | 2,150,000
Repayment of debt |  | (3,736,000) | (4,592,000) | (1,783,000)
Debt issuance costs paid |  | (48,000) | (135,000) | (43,000)
Maintenance payments received |  | 757,000 | 536,000 | 98,000
Maintenance payments returned |  | (538,000) | (286,000) | (57,000)
Security deposits received |  | 151,000 | 98,000 | 23,000
Security deposits returned |  | (137,000) | (97,000) | (12,000)
Dividends paid |  |  | (12,000) | (3,000)
Net cash (used in) provided by financing activities |  | 63,000 | 806,000 | 373,000
Net increase (decrease) in cash and cash equivalents |  | 524,000 | 513,000 | (199,000)
Effect of exchange rate changes |  | 5,000 | (2,000) | (1,000)
Cash and cash equivalents at beginning of period |  | 667,000 | 156,000 | 356,000
Cash and cash equivalents at end of period |  | 1,196,000 | 667,000 | 156,000
AerCap Aviation Notes [Member] | Eliminations [Member] |  |  |  |
Net income (loss) |  | (2,334,000) | (1,582,000) | (443,000)
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |  |
Income from subsidiaries |  | $ 2,334,000 | 1,582,000 | 455,000
Dividends received |  |  | (12,000) | (3,000)
Net gain on sale of assets |  |  |  | (12,000)
Cash flow from operating activities before changes in working capital |  |  | (12,000) | (3,000)
Net cash provided by operating activities |  |  | (12,000) | (3,000)
Dividends paid |  |  | 12,000 | 3,000
Net cash (used in) provided by financing activities |  |  | $ 12,000 | $ 3,000
[1] | (a) Maintenance rights write off consisted of the following: EOL and MR contract maintenance rights expense$ 348,366$ 54,507$ - EOL contract maintenance rights write off due to cash receipt 118,438 27,570 - MR contract maintenance rights write off due to maintenance liability release 161,839 48,729 - Maintenance rights write off$ 628,643$ 130,806$ -
[2] | Relates to the settlement of three asset value guarantees during the year ended December 31, 2015. Refer to Note 29-Commitments and contingencies.
[3] | Includes the Share Repurchase of $750.0 million from AIG and $11.2 million of related expenses. Refer to Note 17-Equity and Note 28-Related party transactions for further details.

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