Property and Equipment - Summary of Property and Equipment (Detail) - USD ($)
$ in Millions |
12 Months Ended |
Dec. 31, 2021 |
Dec. 31, 2020 |
| Disclosure of detailed information about property, plant and equipment [Line Items] |
|
|
| Beginning balance |
$ 545
|
|
| Ending balance |
502
|
$ 545
|
| Gross carrying amount [member] |
|
|
| Disclosure of detailed information about property, plant and equipment [Line Items] |
|
|
| Beginning balance |
2,002
|
1,962
|
| Capital expenditures |
78
|
66
|
| Leases |
72
|
55
|
| Removed from service |
(580)
|
(34)
|
| Disposals of businesses |
(19)
|
(16)
|
| Translation and other, net |
(59)
|
(31)
|
| Ending balance |
1,494
|
2,002
|
| Accumulated depreciation [member] |
|
|
| Disclosure of detailed information about property, plant and equipment [Line Items] |
|
|
| Beginning balance |
(1,457)
|
(1,347)
|
| Depreciation |
(177)
|
(184)
|
| Removed from service |
580
|
34
|
| Disposals of businesses |
15
|
11
|
| Translation and other, net |
47
|
29
|
| Ending balance |
(992)
|
(1,457)
|
| Land, buildings and building improvements [member] |
|
|
| Disclosure of detailed information about property, plant and equipment [Line Items] |
|
|
| Beginning balance |
369
|
|
| Ending balance |
356
|
369
|
| Land, buildings and building improvements [member] | Gross carrying amount [member] |
|
|
| Disclosure of detailed information about property, plant and equipment [Line Items] |
|
|
| Beginning balance |
914
|
898
|
| Capital expenditures |
35
|
19
|
| Leases |
62
|
21
|
| Removed from service |
(58)
|
(19)
|
| Disposals of businesses |
(16)
|
(10)
|
| Translation and other, net |
(14)
|
5
|
| Ending balance |
923
|
914
|
| Land, buildings and building improvements [member] | Accumulated depreciation [member] |
|
|
| Disclosure of detailed information about property, plant and equipment [Line Items] |
|
|
| Beginning balance |
(545)
|
(481)
|
| Depreciation |
(98)
|
(105)
|
| Removed from service |
58
|
19
|
| Disposals of businesses |
13
|
7
|
| Translation and other, net |
5
|
15
|
| Ending balance |
(567)
|
(545)
|
| Computer equipment [member] |
|
|
| Disclosure of detailed information about property, plant and equipment [Line Items] |
|
|
| Beginning balance |
108
|
|
| Ending balance |
84
|
108
|
| Computer equipment [member] | Gross carrying amount [member] |
|
|
| Disclosure of detailed information about property, plant and equipment [Line Items] |
|
|
| Beginning balance |
792
|
752
|
| Capital expenditures |
29
|
24
|
| Leases |
10
|
32
|
| Removed from service |
(488)
|
(12)
|
| Disposals of businesses |
(1)
|
|
| Translation and other, net |
(42)
|
(4)
|
| Ending balance |
300
|
792
|
| Computer equipment [member] | Accumulated depreciation [member] |
|
|
| Disclosure of detailed information about property, plant and equipment [Line Items] |
|
|
| Beginning balance |
(684)
|
(634)
|
| Depreciation |
(61)
|
(64)
|
| Removed from service |
488
|
12
|
| Translation and other, net |
41
|
2
|
| Ending balance |
(216)
|
(684)
|
| Furniture, fixtures and other equipment [member] |
|
|
| Disclosure of detailed information about property, plant and equipment [Line Items] |
|
|
| Beginning balance |
68
|
|
| Ending balance |
62
|
68
|
| Furniture, fixtures and other equipment [member] | Gross carrying amount [member] |
|
|
| Disclosure of detailed information about property, plant and equipment [Line Items] |
|
|
| Beginning balance |
296
|
312
|
| Capital expenditures |
14
|
23
|
| Leases |
|
2
|
| Removed from service |
(34)
|
(3)
|
| Disposals of businesses |
(2)
|
(6)
|
| Translation and other, net |
(3)
|
(32)
|
| Ending balance |
271
|
296
|
| Furniture, fixtures and other equipment [member] | Accumulated depreciation [member] |
|
|
| Disclosure of detailed information about property, plant and equipment [Line Items] |
|
|
| Beginning balance |
(228)
|
(232)
|
| Depreciation |
(18)
|
(15)
|
| Removed from service |
34
|
3
|
| Disposals of businesses |
2
|
4
|
| Translation and other, net |
1
|
12
|
| Ending balance |
$ (209)
|
$ (228)
|