Segment Reporting - Selected Financial Data for Each of Operating Segments (Details) - USD ($)
$ in Millions |
3 Months Ended |
6 Months Ended |
Jun. 30, 2021 |
Jun. 30, 2020 |
Jun. 30, 2021 |
Jun. 30, 2020 |
| Segment Reporting Information [Line Items] |
|
|
|
|
| Revenue |
$ 5,036
|
$ 3,502
|
$ 9,810
|
$ 7,366
|
| Operating income (loss) |
246
|
(141)
|
448
|
(60)
|
| Depreciation and amortization |
205
|
196
|
397
|
379
|
| Transaction and integration costs |
35
|
46
|
53
|
90
|
| Restructuring income (expense) |
(2)
|
50
|
2
|
53
|
| Operating Segments | Transportation |
|
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
|
| Revenue |
3,186
|
2,127
|
6,175
|
4,586
|
| Operating income (loss) |
255
|
(15)
|
464
|
105
|
| Depreciation and amortization |
117
|
113
|
232
|
223
|
| Transaction and integration costs |
2
|
13
|
3
|
20
|
| Operating Segments | Logistics |
|
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
|
| Revenue |
1,881
|
1,404
|
3,699
|
2,841
|
| Operating income (loss) |
71
|
(43)
|
139
|
(5)
|
| Depreciation and amortization |
85
|
80
|
159
|
149
|
| Transaction and integration costs |
7
|
18
|
12
|
25
|
| Corporate |
|
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
|
| Revenue |
0
|
0
|
0
|
0
|
| Operating income (loss) |
(80)
|
(83)
|
(155)
|
(160)
|
| Depreciation and amortization |
3
|
3
|
6
|
7
|
| Transaction and integration costs |
26
|
15
|
38
|
45
|
| Eliminations |
|
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
|
| Revenue |
(31)
|
(29)
|
(64)
|
(61)
|
| Operating income (loss) |
0
|
0
|
0
|
0
|
| Depreciation and amortization |
$ 0
|
$ 0
|
$ 0
|
$ 0
|