Financial Instruments - Summary of Fair Value Measurements Carried at Fair Value in the Consolidated Statement of Financial Position (Detail) - USD ($) $ in Millions |
Dec. 31, 2021 |
Dec. 31, 2020 |
| Assets |
|
|
| Money market accounts |
$ 389
|
$ 1,476
|
| Warrants |
|
517
|
| Other receivables |
235
|
17
|
| Financial assets at fair value through earnings |
624
|
2,010
|
| Financial assets at fair value through other comprehensive income |
68
|
46
|
| Derivative financial asset held for hedging |
99
|
100
|
| Total assets |
791
|
2,156
|
| Liabilities |
|
|
| Contingent consideration |
(1)
|
(3)
|
| Forward exchange contracts |
(19)
|
|
| Financial liabilities at fair value through earnings |
(20)
|
(3)
|
| Total liabilities |
(20)
|
(3)
|
| Level 1 [member] |
|
|
| Assets |
|
|
| Financial assets at fair value through other comprehensive income |
46
|
27
|
| Total assets |
46
|
27
|
| Level 2 [member] |
|
|
| Assets |
|
|
| Money market accounts |
389
|
1,476
|
| Financial assets at fair value through earnings |
389
|
1,476
|
| Financial assets at fair value through other comprehensive income |
22
|
19
|
| Derivative financial asset held for hedging |
99
|
100
|
| Total assets |
510
|
1,595
|
| Liabilities |
|
|
| Forward exchange contracts |
(19)
|
|
| Financial liabilities at fair value through earnings |
(19)
|
|
| Total liabilities |
(19)
|
|
| Level 3 [member] |
|
|
| Assets |
|
|
| Warrants |
|
517
|
| Other receivables |
235
|
17
|
| Financial assets at fair value through earnings |
235
|
534
|
| Total assets |
235
|
534
|
| Liabilities |
|
|
| Contingent consideration |
(1)
|
(3)
|
| Financial liabilities at fair value through earnings |
(1)
|
(3)
|
| Total liabilities |
$ (1)
|
$ (3)
|