Equipment held for lease - Narrative (Detail) - Insurance and Other [Member] - USD ($)
$ in Millions |
12 Months Ended |
|
Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
Jan. 01, 2018 |
| Property Subject to or Available for Operating Lease [Line Items] |
|
|
|
|
| Equipment held for lease, net |
$ 14,298
|
$ 10,167
|
|
|
| Equipment held for lease, gross |
20,617
|
13,775
|
|
|
| Equipment held for lease, accumulated depreciation |
6,319
|
3,608
|
|
|
| Aircraft repurchase liabilities and unearned lease revenues |
4,593
|
|
|
|
| Depreciation expense for equipment held for lease |
1,102
|
$ 751
|
$ 755
|
|
| Future minimum lease rentals to be received, 2019 |
2,493
|
|
|
|
| Future minimum lease rentals to be received, 2020 |
1,771
|
|
|
|
| Future minimum lease rentals to be received, 2021 |
1,222
|
|
|
|
| Future minimum lease rentals to be received, 2022 |
779
|
|
|
|
| Future minimum lease rentals to be received, 2023 |
421
|
|
|
|
| Future minimum lease rentals to be received, thereafter |
$ 377
|
|
|
|
| Aircraft Sold Under Fractional Aircraft Ownership Programs [Member] | ASC 606 [Member] |
|
|
|
|
| Property Subject to or Available for Operating Lease [Line Items] |
|
|
|
|
| Equipment held for lease, net |
|
|
|
$ 3,500
|
| Equipment held for lease, gross |
|
|
|
5,300
|
| Equipment held for lease, accumulated depreciation |
|
|
|
1,800
|
| Aircraft repurchase liabilities and unearned lease revenues |
|
|
|
$ 3,500
|