XML 134 R134.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

Supplemental guarantor financial information (Condensed consolidated statements of cash flows - AGAT/AICDC Notes) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Condensed Cash Flow Statements, Captions [Line Items] |  |  |  |
Net income (loss) |  | $ 1,166,777 | $ 1,017,497 | $ 1,080,353
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |  |
Depreciation and amortization |  | 1,676,121 | 1,679,074 | 1,727,296
Asset impairment |  | 70,149 | 44,186 | 61,286
Amortization of debt issuance costs, debt discount, debt premium and lease premium |  | 79,645 | 76,499 | 79,052
Amortization of fair value adjustments on debt |  | (79,098) | (142,596) | (194,728)
Maintenance rights write-off | [1] | 244,748 | 287,119 | 539,772
Maintenance liability release to income |  | (207,849) | (228,081) | (302,408)
Net gain on sale of assets |  | (188,835) | (201,323) | (229,093)
Deferred income taxes |  | 162,498 | 147,588 | 157,021
Collections of finance and sales-type leases |  | 98,365 |  |
Other |  | 165,527 | 155,628 | 156,946
Net cash provided by operating activities |  | 3,105,682 | 2,840,372 | 3,140,217
Purchase of flight equipment |  | (3,359,092) | (4,036,194) | (3,956,671)
Proceeds from sale or disposal of assets |  | 1,773,766 | 1,822,601 | 1,779,321
Prepayments on flight equipment |  | (1,369,400) | (1,912,215) | (1,268,585)
Collections of finance and sales-type leases |  | 0 | 94,703 | 91,918
Other |  | (17) | (21,505) | (38,102)
Net cash used in investing activities |  | (2,954,743) | (4,052,610) | (3,392,119)
Issuance of debt |  | 6,539,310 | 5,589,825 | 5,596,402
Repayment of debt |  | (6,504,830) | (4,360,520) | (4,695,453)
Debt issuance costs paid, net of debt premium received |  | (36,592) | (57,831) | (81,396)
Maintenance payments received |  | 736,423 | 743,256 | 756,314
Maintenance payments returned |  | (352,032) | (459,326) | (523,403)
Security deposits received |  | 232,219 | 208,259 | 187,378
Security deposits returned |  | (233,222) | (220,452) | (188,362)
Repurchase of shares and tax withholdings on share-based compensation |  | (639,941) | (834,398) | (1,138,782)
Net cash (used in) provided by financing activities |  | (265,006) | 600,410 | (87,568)
Net decrease in cash, cash equivalents and restricted cash |  | (114,067) | (611,828) | (339,470)
Effect of exchange rate changes |  | (621) | 2,738 | (1,032)
Cash, cash equivalents and restricted cash at beginning of period |  | 1,415,035 | 2,024,125 | 2,364,627
Cash, cash equivalents and restricted cash at end of period |  | 1,300,347 | 1,415,035 | 2,024,125
AerCap Trust & AICDC Notes |  |  |  |
Condensed Cash Flow Statements, Captions [Line Items] |  |  |  |
Net income (loss) |  | 1,167,000 | 1,017,000 | 1,080,000
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |  |
(Income) loss from subsidiaries |  | 0 | 0 | 0
Depreciation and amortization |  | 1,676,000 | 1,679,000 | 1,727,000
Asset impairment |  | 70,000 | 44,000 | 61,000
Amortization of debt issuance costs, debt discount, debt premium and lease premium |  | 80,000 | 76,000 | 79,000
Amortization of fair value adjustments on debt |  | (79,000) | (143,000) | (195,000)
Maintenance rights write-off |  | 245,000 | 287,000 | 540,000
Maintenance liability release to income |  | (208,000) | (228,000) | (302,000)
Net gain on sale of assets |  | (189,000) | (201,000) | (229,000)
Deferred income taxes |  | 162,000 | 148,000 | 157,000
Collections of finance and sales-type leases |  | 98,000 |  |
Restructuring related expenses |  |  |  | 5,000
Other |  | 166,000 | 156,000 | 152,000
Cash flow from operating activities before changes in working capital |  | 3,188,000 | 2,835,000 | 3,075,000
Working capital |  | (82,000) | 5,000 | 65,000
Net cash provided by operating activities |  | 3,106,000 | 2,840,000 | 3,140,000
Purchase of flight equipment |  | (3,359,000) | (4,036,000) | (3,957,000)
Proceeds from sale or disposal of assets |  | 1,773,000 | 1,823,000 | 1,779,000
Prepayments on flight equipment |  | (1,369,000) | (1,913,000) | (1,268,000)
Collections of finance and sales-type leases |  |  | 95,000 | 92,000
Other |  | 0 | (22,000) | (38,000)
Net cash used in investing activities |  | (2,955,000) | (4,053,000) | (3,392,000)
Issuance of debt |  | 6,539,000 | 5,590,000 | 5,596,000
Repayment of debt |  | (6,504,000) | (4,361,000) | (4,695,000)
Debt issuance costs paid, net of debt premium received |  | (37,000) | (58,000) | (81,000)
Maintenance payments received |  | 736,000 | 743,000 | 756,000
Maintenance payments returned |  | (352,000) | (459,000) | (523,000)
Security deposits received |  | 232,000 | 208,000 | 186,000
Security deposits returned |  | (233,000) | (221,000) | (188,000)
Dividend paid to non-controlling interest holders |  | (6,000) | (8,000) |
Repurchase of shares and tax withholdings on share-based compensation |  | (640,000) | (834,000) | (1,139,000)
Net cash (used in) provided by financing activities |  | (265,000) | 600,000 | (88,000)
Net decrease in cash, cash equivalents and restricted cash |  | (114,000) | (613,000) | (340,000)
Effect of exchange rate changes |  | (1,000) | 4,000 |
Cash, cash equivalents and restricted cash at beginning of period |  | 1,415,000 | 2,024,000 | 2,364,000
Cash, cash equivalents and restricted cash at end of period |  | 1,300,000 | 1,415,000 | 2,024,000
Reportable Legal Entities | AerCap Global Aviation Trust (a) | AerCap Trust & AICDC Notes |  |  |  |
Condensed Cash Flow Statements, Captions [Line Items] |  |  |  |
Net income (loss) |  | 542,000 | 724,000 | 775,000
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |  |
(Income) loss from subsidiaries |  | (68,000) | (256,000) | (167,000)
Depreciation and amortization |  | 452,000 | 563,000 | 630,000
Asset impairment |  | 19,000 | 4,000 | 9,000
Amortization of debt issuance costs, debt discount, debt premium and lease premium |  | 18,000 | 20,000 | 18,000
Amortization of fair value adjustments on debt |  | (78,000) | (142,000) | (192,000)
Maintenance rights write-off |  | 132,000 | 118,000 | 282,000
Maintenance liability release to income |  | (91,000) | (59,000) | (100,000)
Net gain on sale of assets |  | (70,000) | (53,000) | (113,000)
Deferred income taxes |  | 70,000 | 65,000 | 87,000
Collections of finance and sales-type leases |  | 41,000 |  |
Restructuring related expenses |  |  |  | 0
Other |  | 24,000 | 0 | 25,000
Cash flow from operating activities before changes in working capital |  | 991,000 | 984,000 | 1,254,000
Working capital |  | (50,000) | (228,000) | (163,000)
Net cash provided by operating activities |  | 941,000 | 756,000 | 1,091,000
Purchase of flight equipment |  | (1,035,000) | (1,228,000) | (1,685,000)
Proceeds from sale or disposal of assets |  | 587,000 | 759,000 | 893,000
Prepayments on flight equipment |  | (560,000) | (610,000) | (936,000)
Collections of finance and sales-type leases |  |  | 36,000 | 49,000
Other |  | 0 | 0 | (36,000)
Net cash used in investing activities |  | (1,008,000) | (1,043,000) | (1,715,000)
Issuance of debt |  | 2,866,000 | 2,383,000 | 2,431,000
Repayment of debt |  | (3,102,000) | (2,046,000) | (2,400,000)
Debt issuance costs paid, net of debt premium received |  | (3,000) | (21,000) | (28,000)
Maintenance payments received |  | 215,000 | 245,000 | 251,000
Maintenance payments returned |  | (89,000) | (161,000) | (216,000)
Security deposits received |  | 100,000 | 63,000 | 58,000
Security deposits returned |  | (84,000) | (80,000) | (79,000)
Dividend paid to non-controlling interest holders |  | 0 | 0 |
Repurchase of shares and tax withholdings on share-based compensation |  | 0 | 0 | 0
Net cash (used in) provided by financing activities |  | (97,000) | 383,000 | 17,000
Net decrease in cash, cash equivalents and restricted cash |  | (164,000) | 96,000 | (607,000)
Effect of exchange rate changes |  | 0 | 0 |
Cash, cash equivalents and restricted cash at beginning of period |  | 318,000 | 222,000 | 829,000
Cash, cash equivalents and restricted cash at end of period |  | 154,000 | 318,000 | 222,000
Reportable Legal Entities | AerCap Ireland Capital Designated Activity Company (a) | AerCap Trust & AICDC Notes |  |  |  |
Condensed Cash Flow Statements, Captions [Line Items] |  |  |  |
Net income (loss) |  | 348,000 | 579,000 | 623,000
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |  |
(Income) loss from subsidiaries |  | (542,000) | (724,000) | (774,000)
Depreciation and amortization |  | 0 | 0 | 0
Asset impairment |  | 0 | 0 | 0
Amortization of debt issuance costs, debt discount, debt premium and lease premium |  | 5,000 | 5,000 | 5,000
Amortization of fair value adjustments on debt |  | 0 | 0 | 0
Maintenance rights write-off |  | 0 | 0 | 0
Maintenance liability release to income |  | 0 | 0 | 0
Net gain on sale of assets |  | 0 | 0 | 0
Deferred income taxes |  | (27,000) | (21,000) | (19,000)
Collections of finance and sales-type leases |  | 0 |  |
Restructuring related expenses |  |  |  | 0
Other |  | 0 | 0 | 0
Cash flow from operating activities before changes in working capital |  | (216,000) | (161,000) | (165,000)
Working capital |  | (470,000) | (255,000) | (272,000)
Net cash provided by operating activities |  | (686,000) | (416,000) | (437,000)
Purchase of flight equipment |  | 0 | 0 | 0
Proceeds from sale or disposal of assets |  | 0 | 0 | 0
Prepayments on flight equipment |  | 0 | 0 | 0
Collections of finance and sales-type leases |  |  | 0 | 0
Other |  | 0 | 0 | 0
Net cash used in investing activities |  | 0 | 0 | 0
Issuance of debt |  | 698,000 | 510,000 | 400,000
Repayment of debt |  | 0 | (100,000) | 0
Debt issuance costs paid, net of debt premium received |  | (9,000) | (2,000) | (13,000)
Maintenance payments received |  | 0 | 0 | 0
Maintenance payments returned |  | 0 | 0 | 0
Security deposits received |  | 1,000 | 0 | 0
Security deposits returned |  | 0 | 0 | 0
Dividend paid to non-controlling interest holders |  | 0 | 0 |
Repurchase of shares and tax withholdings on share-based compensation |  | 0 | 0 | 0
Net cash (used in) provided by financing activities |  | 690,000 | 408,000 | 387,000
Net decrease in cash, cash equivalents and restricted cash |  | 4,000 | (8,000) | (50,000)
Effect of exchange rate changes |  | 0 | 0 |
Cash, cash equivalents and restricted cash at beginning of period |  | 6,000 | 14,000 | 64,000
Cash, cash equivalents and restricted cash at end of period |  | 10,000 | 6,000 | 14,000
Reportable Legal Entities | AerCap Holdings N.V. | AerCap Trust & AICDC Notes |  |  |  |
Condensed Cash Flow Statements, Captions [Line Items] |  |  |  |
Net income (loss) |  | 1,146,000 | 1,016,000 | 1,076,000
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |  |
(Income) loss from subsidiaries |  | (1,149,000) | (1,031,000) | (1,118,000)
Depreciation and amortization |  | 0 | 0 | 0
Asset impairment |  | 0 | 0 | 0
Amortization of debt issuance costs, debt discount, debt premium and lease premium |  | 0 | 0 | 0
Amortization of fair value adjustments on debt |  | 0 | 0 | 0
Maintenance rights write-off |  | 0 | 0 | 0
Maintenance liability release to income |  | 0 | 0 | 0
Net gain on sale of assets |  | 0 | 0 | 0
Deferred income taxes |  | (1,000) | (2,000) | (7,000)
Collections of finance and sales-type leases |  | 0 |  |
Restructuring related expenses |  |  |  | 0
Other |  | 33,000 | 52,000 | 62,000
Cash flow from operating activities before changes in working capital |  | 29,000 | 35,000 | 13,000
Working capital |  | (129,000) | 781,000 | 1,143,000
Net cash provided by operating activities |  | (100,000) | 816,000 | 1,156,000
Purchase of flight equipment |  | 0 | 0 | 0
Proceeds from sale or disposal of assets |  | 0 | 0 | 0
Prepayments on flight equipment |  | 0 | 0 | 0
Collections of finance and sales-type leases |  |  | 0 | 0
Other |  | 0 | 0 | 0
Net cash used in investing activities |  | 0 | 0 | 0
Issuance of debt |  | 750,000 | 0 | 0
Repayment of debt |  | 0 | 0 | 0
Debt issuance costs paid, net of debt premium received |  | (10,000) | 0 | 0
Maintenance payments received |  | 0 | 0 | 0
Maintenance payments returned |  | 0 | 0 | 0
Security deposits received |  | 0 | 0 | 0
Security deposits returned |  | 0 | 0 | 0
Dividend paid to non-controlling interest holders |  | 0 | 0 |
Repurchase of shares and tax withholdings on share-based compensation |  | (640,000) | (834,000) | (1,139,000)
Net cash (used in) provided by financing activities |  | 100,000 | (834,000) | (1,139,000)
Net decrease in cash, cash equivalents and restricted cash |  | 0 | (18,000) | 17,000
Effect of exchange rate changes |  | 0 | 0 |
Cash, cash equivalents and restricted cash at beginning of period |  | 3,000 | 21,000 | 4,000
Cash, cash equivalents and restricted cash at end of period |  | 3,000 | 3,000 | 21,000
Reportable Legal Entities | Guarantors | AerCap Trust & AICDC Notes |  |  |  |
Condensed Cash Flow Statements, Captions [Line Items] |  |  |  |
Net income (loss) |  | 1,238,000 | 1,046,000 | 944,000
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |  |
(Income) loss from subsidiaries |  | (996,000) | (692,000) | (831,000)
Depreciation and amortization |  | 182,000 | 130,000 | 87,000
Asset impairment |  | 15,000 | 9,000 | 3,000
Amortization of debt issuance costs, debt discount, debt premium and lease premium |  | 0 | 2,000 | 5,000
Amortization of fair value adjustments on debt |  | 0 | 0 | 0
Maintenance rights write-off |  | 37,000 | 18,000 | 13,000
Maintenance liability release to income |  | (40,000) | (33,000) | (23,000)
Net gain on sale of assets |  | (11,000) | (18,000) | (20,000)
Deferred income taxes |  | 39,000 | 54,000 | 35,000
Collections of finance and sales-type leases |  | 24,000 |  |
Restructuring related expenses |  |  |  | 0
Other |  | 35,000 | 56,000 | 46,000
Cash flow from operating activities before changes in working capital |  | 523,000 | 572,000 | 259,000
Working capital |  | (198,000) | (231,000) | 693,000
Net cash provided by operating activities |  | 325,000 | 341,000 | 952,000
Purchase of flight equipment |  | (584,000) | (1,217,000) | (549,000)
Proceeds from sale or disposal of assets |  | 268,000 | 245,000 | 137,000
Prepayments on flight equipment |  | (1,000) | 0 | 0
Collections of finance and sales-type leases |  |  | 20,000 | 33,000
Other |  | 0 | 0 | 0
Net cash used in investing activities |  | (317,000) | (952,000) | (379,000)
Issuance of debt |  | 4,000 | 36,000 | 0
Repayment of debt |  | (8,000) | (17,000) | (317,000)
Debt issuance costs paid, net of debt premium received |  | 0 | (1,000) | (3,000)
Maintenance payments received |  | 104,000 | 86,000 | 65,000
Maintenance payments returned |  | (45,000) | (15,000) | (40,000)
Security deposits received |  | 56,000 | 58,000 | 30,000
Security deposits returned |  | (32,000) | (39,000) | (11,000)
Dividend paid to non-controlling interest holders |  | 0 | 0 |
Repurchase of shares and tax withholdings on share-based compensation |  | 0 | 0 | 0
Net cash (used in) provided by financing activities |  | 79,000 | 108,000 | (276,000)
Net decrease in cash, cash equivalents and restricted cash |  | 87,000 | (503,000) | 297,000
Effect of exchange rate changes |  | (1,000) | 4,000 |
Cash, cash equivalents and restricted cash at beginning of period |  | 738,000 | 1,237,000 | 940,000
Cash, cash equivalents and restricted cash at end of period |  | 824,000 | 738,000 | 1,237,000
Reportable Legal Entities | Non- Guarantors | AerCap Trust & AICDC Notes |  |  |  |
Condensed Cash Flow Statements, Captions [Line Items] |  |  |  |
Net income (loss) |  | (264,000) | (363,000) | (349,000)
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |  |
(Income) loss from subsidiaries |  | 912,000 | 718,000 | 901,000
Depreciation and amortization |  | 1,042,000 | 986,000 | 1,010,000
Asset impairment |  | 36,000 | 31,000 | 49,000
Amortization of debt issuance costs, debt discount, debt premium and lease premium |  | 57,000 | 49,000 | 51,000
Amortization of fair value adjustments on debt |  | (1,000) | (1,000) | (3,000)
Maintenance rights write-off |  | 76,000 | 151,000 | 245,000
Maintenance liability release to income |  | (77,000) | (136,000) | (179,000)
Net gain on sale of assets |  | (108,000) | (130,000) | (96,000)
Deferred income taxes |  | 81,000 | 52,000 | 61,000
Collections of finance and sales-type leases |  | 33,000 |  |
Restructuring related expenses |  |  |  | 5,000
Other |  | 74,000 | 48,000 | 19,000
Cash flow from operating activities before changes in working capital |  | 1,861,000 | 1,405,000 | 1,714,000
Working capital |  | 765,000 | (62,000) | (1,336,000)
Net cash provided by operating activities |  | 2,626,000 | 1,343,000 | 378,000
Purchase of flight equipment |  | (1,740,000) | (1,591,000) | (1,723,000)
Proceeds from sale or disposal of assets |  | 918,000 | 819,000 | 749,000
Prepayments on flight equipment |  | (808,000) | (1,303,000) | (332,000)
Collections of finance and sales-type leases |  |  | 39,000 | 10,000
Other |  | 0 | (22,000) | (2,000)
Net cash used in investing activities |  | (1,630,000) | (2,058,000) | (1,298,000)
Issuance of debt |  | 2,221,000 | 2,661,000 | 2,765,000
Repayment of debt |  | (3,394,000) | (2,198,000) | (1,978,000)
Debt issuance costs paid, net of debt premium received |  | (15,000) | (34,000) | (37,000)
Maintenance payments received |  | 417,000 | 412,000 | 440,000
Maintenance payments returned |  | (218,000) | (283,000) | (267,000)
Security deposits received |  | 75,000 | 87,000 | 98,000
Security deposits returned |  | (117,000) | (102,000) | (98,000)
Dividend paid to non-controlling interest holders |  | (6,000) | (8,000) |
Repurchase of shares and tax withholdings on share-based compensation |  | 0 | 0 | 0
Net cash (used in) provided by financing activities |  | (1,037,000) | 535,000 | 923,000
Net decrease in cash, cash equivalents and restricted cash |  | (41,000) | (180,000) | 3,000
Effect of exchange rate changes |  | 0 | 0 |
Cash, cash equivalents and restricted cash at beginning of period |  | 350,000 | 530,000 | 527,000
Cash, cash equivalents and restricted cash at end of period |  | 309,000 | 350,000 | 530,000
Eliminations | AerCap Trust & AICDC Notes |  |  |  |
Condensed Cash Flow Statements, Captions [Line Items] |  |  |  |
Net income (loss) |  | (1,843,000) | (1,985,000) | (1,989,000)
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |  |
(Income) loss from subsidiaries |  | 1,843,000 | 1,985,000 | 1,989,000
Depreciation and amortization |  | 0 | 0 | 0
Asset impairment |  | 0 | 0 | 0
Amortization of debt issuance costs, debt discount, debt premium and lease premium |  | 0 | 0 | 0
Amortization of fair value adjustments on debt |  | 0 | 0 | 0
Maintenance rights write-off |  | 0 | 0 | 0
Maintenance liability release to income |  | 0 | 0 | 0
Net gain on sale of assets |  | 0 | 0 | 0
Deferred income taxes |  | 0 | 0 | 0
Collections of finance and sales-type leases |  | 0 |  |
Restructuring related expenses |  |  |  | 0
Other |  | 0 | 0 | 0
Cash flow from operating activities before changes in working capital |  | 0 | 0 | 0
Working capital |  | 0 | 0 | 0
Net cash provided by operating activities |  | 0 | 0 | 0
Purchase of flight equipment |  | 0 | 0 | 0
Proceeds from sale or disposal of assets |  | 0 | 0 | 0
Prepayments on flight equipment |  | 0 | 0 | 0
Collections of finance and sales-type leases |  |  | 0 | 0
Other |  | 0 | 0 | 0
Net cash used in investing activities |  | 0 | 0 | 0
Issuance of debt |  | 0 | 0 | 0
Repayment of debt |  | 0 | 0 | 0
Debt issuance costs paid, net of debt premium received |  | 0 | 0 | 0
Maintenance payments received |  | 0 | 0 | 0
Maintenance payments returned |  | 0 | 0 | 0
Security deposits received |  | 0 | 0 | 0
Security deposits returned |  | 0 | 0 | 0
Dividend paid to non-controlling interest holders |  | 0 | 0 |
Repurchase of shares and tax withholdings on share-based compensation |  | 0 | 0 | 0
Net cash (used in) provided by financing activities |  | 0 | 0 | 0
Net decrease in cash, cash equivalents and restricted cash |  | 0 | 0 | 0
Effect of exchange rate changes |  | 0 | 0 |
Cash, cash equivalents and restricted cash at beginning of period |  | 0 | 0 | 0
Cash, cash equivalents and restricted cash at end of period |  | $ 0 | $ 0 | $ 0
[1] | Maintenance rights write-off consisted of the following:
EOL and MR contract maintenance rights expense | $ | 76,611 |  |  | $ | 157,792 |  |  | $ | 355,845 |
MR contract maintenance rights write-off due to maintenance liability release | 19,848 |  |  | 29,656 |  |  | 77,494 |
EOL contract maintenance rights write-off due to cash receipt | 148,289 |  |  | 99,671 |  |  | 106,433 |
Maintenance rights write-off | $ | 244,748 |  |  | $ | 287,119 |  |  | $ | 539,772 |

X
- Definition Represents the aggregate expense charged against earnings to allocate the maintenance rights expense related to a limited duration contract for service and contractual agreement that stipulates the lessee pay the lessor for use of an asset. + References No definition available. + Details
Name: | aer_AmortizationOfMaintenanceRightsExpense
Namespace Prefix: | aer_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amortization of Debt Issuance Costs and Discounts, Including Lease Premiums + References No definition available. + Details
Name: | aer_AmortizationofDebtIssuanceCostsandDiscountsIncludingLeasePremiums
Namespace Prefix: | aer_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amortization of Fair Value Adjustment of Debt + References No definition available. + Details
Name: | aer_AmortizationofFairValueAdjustmentofDebt
Namespace Prefix: | aer_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of cash inflow (outflow) from operating activities, excluding discontinued operations and before changes in working capital. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities. + References No definition available. + Details
Name: | aer_CashFlowFromOperatingActivitiesBeforeChangesInWorkingCapital
Namespace Prefix: | aer_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Definition Maintenance Liability Release To Income + References No definition available. + Details
Name: | aer_MaintenanceLiabilityReleaseToIncome
Namespace Prefix: | aer_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Periodic payments received from the lessee of supplemental maintenance rent which is calculated with reference to the utilization of airframes, engines and other major life-limited components during the lease. + References No definition available. + Details
Name: | aer_MaintenancePaymentsReceived
Namespace Prefix: | aer_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Periodic payments returned to the lessee of supplemental maintenance rent based on maintenance events occurred. + References No definition available. + Details
Name: | aer_MaintenancePaymentsReturned
Namespace Prefix: | aer_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Payments For Repurchase Of Equity And Payments Related to Tax Withholding for Share-based Compensation + References No definition available. + Details
Name: | aer_PaymentsForRepurchaseOfEquityAndPaymentsRelatedToTaxWithholdingForShareBasedCompensation
Namespace Prefix: | aer_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Advance payments made for the acquisition of forward order aircraft. + References No definition available. + Details
Name: | aer_PrepaymentsMadeOnFlightEquipment
Namespace Prefix: | aer_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Payments received on an asset, typically cash, provided by a counterparty to provide certain assurance of performance by the entity pursuant to the terms of a written or oral agreement, such as a lease. + References No definition available. + Details
Name: | aer_SecurityDepositsReceived
Namespace Prefix: | aer_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Payments returned on an asset, typically cash, provided by a counterparty to provide certain assurance of performance by the entity pursuant to the terms of a written or oral agreement, such as a lease. + References No definition available. + Details
Name: | aer_SecurityDepositsReturned
Namespace Prefix: | aer_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | srt_CondensedCashFlowStatementsCaptionsLineItems
Namespace Prefix: | srt_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=109226348&loc=d3e2420-110228 + Details
Name: | us-gaap_AssetImpairmentCharges
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage. Excludes amount for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3521-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3044-108585 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=98513485&loc=SL98516268-108586 + Details
Name: | us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of increase (decrease) in cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; excluding effect from exchange rate change. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 230 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=98513438&loc=d3e33268-110906 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3521-108585 + Details
Name: | us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of deferred income tax expense (benefit) and income tax credits. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 + Details
Name: | us-gaap_DeferredIncomeTaxesAndTaxCredits
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 + Details
Name: | us-gaap_DepreciationAndAmortization
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of increase (decrease) from effect of exchange rate changes on cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; held in foreign currencies. Excludes amounts for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 230 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=98513438&loc=d3e33268-110906 + Details
Name: | us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 + Details
Name: | us-gaap_GainLossOnSaleOfPropertyPlantEquipment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount after tax of income (loss) of subsidiary attributable to the parent entity. + References No definition available. + Details
Name: | us-gaap_IncomeLossFromSubsidiariesNetOfTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The increase (decrease) during the reporting period of all assets and liabilities used in operating activities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 + Details
Name: | us-gaap_IncreaseDecreaseInOperatingCapital
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3521-108585 + Details
Name: | us-gaap_NetCashProvidedByUsedInFinancingActivities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3521-108585 + Details
Name: | us-gaap_NetCashProvidedByUsedInInvestingActivities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3536-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3521-108585 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 + Details
Name: | us-gaap_NetCashProvidedByUsedInOperatingActivities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Definition Other cash or noncash adjustments to reconcile net income to cash provided by (used in) operating activities that are not separately disclosed in the statement of cash flows (for example, cash received or cash paid during the current period for miscellaneous operating activities, net change during the reporting period in other assets or other liabilities). + References No definition available. + Details
Name: | us-gaap_OtherOperatingActivitiesCashFlowStatement
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The cash outflow for acquisition of long-lived depreciable flight assets, including owned aircraft or capital improvements. + References No definition available. + Details
Name: | us-gaap_PaymentsForFlightEquipment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of cash (inflow) outflow from investing activities classified as other. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04(a)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3213-108585 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3179-108585 + Details
Name: | us-gaap_PaymentsForProceedsFromOtherInvestingActivities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585 + Details
Name: | us-gaap_PaymentsOfDebtIssuanceCosts
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Cash outflow in the form of capital distributions and dividends to common shareholders, preferred shareholders and noncontrolling interests. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585 + Details
Name: | us-gaap_PaymentsOfDividends
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The cash inflow associated with the collection of receivables arising from the financing of goods and services. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3179-108585 + Details
Name: | us-gaap_ProceedsFromCollectionOfFinanceReceivables
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585 + Details
Name: | us-gaap_ProceedsFromIssuanceOfLongTermDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3179-108585 + Details
Name: | us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118930883&loc=SL7669619-108580 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=109239629&loc=SL4573702-111684 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1B -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118930883&loc=SL7669625-108580 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=109239629&loc=SL4573702-111684 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599 Reference 6: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4J -URI http://asc.fasb.org/extlink&oid=116874947&loc=SL4591551-111686 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3000-108585 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 19 -URI http://asc.fasb.org/extlink&oid=108774443&loc=SL4569616-111683 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8933-108599 Reference 10: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4K -URI http://asc.fasb.org/extlink&oid=116874947&loc=SL4591552-111686 + Details
Name: | us-gaap_ProfitLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585 + Details
Name: | us-gaap_RepaymentsOfLongTermDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 5.P.3) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140864-122747 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
Name: | us-gaap_RestructuringCharges
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of profit (loss) for sales-type lease and (loss) for direct financing lease recognized at commencement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 30 -Section 50 -Paragraph 5 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=119202524&loc=SL77919372-209981 + Details
Name: | us-gaap_SalesTypeAndDirectFinancingLeasesProfitLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_DebtInstrumentAxis=aer_AerCapTrustAICDCNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ConsolidationItemsAxis=srt_ReportableLegalEntitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=aer_AercapGlobalAviationTrustMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=aer_AercapIrelandCapitalDesignatedActivityCompanyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ConsolidatedEntitiesAxis=srt_ParentCompanyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ConsolidatedEntitiesAxis=srt_GuarantorSubsidiariesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ConsolidatedEntitiesAxis=srt_NonGuarantorSubsidiariesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ConsolidationItemsAxis=srt_ConsolidationEliminationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |