Fair Value Measurements - Financial Instruments Measured at Fair Value (Details) - Recurring Basis - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Investments:
Total assets	$ 839	$ 1,335
Foreign currency forward contracts
Derivatives:
Derivatives	15	3
Cross-currency interest rate swaps
Derivatives:
Derivatives	21
Money market funds
Cash equivalents:
Cash equivalents	3	47
Mutual funds
Cash equivalents:
Cash equivalents		23
Term deposits
Cash equivalents:
Cash equivalents	188	153
Investments:
Investments	48	200
Equity investments
Investments:
Investments	564	909
Level 1
Investments:
Total assets	52	164
Level 1 | Foreign currency forward contracts
Derivatives:
Derivatives	0	0
Level 1 | Cross-currency interest rate swaps
Derivatives:
Derivatives	0
Level 1 | Money market funds
Cash equivalents:
Cash equivalents	3	47
Level 1 | Mutual funds
Cash equivalents:
Cash equivalents		23
Level 1 | Term deposits
Cash equivalents:
Cash equivalents	0	0
Investments:
Investments	0	0
Level 1 | Equity investments
Investments:
Investments	49	94
Level 2
Investments:
Total assets	787	356
Level 2 | Foreign currency forward contracts
Derivatives:
Derivatives	15	3
Level 2 | Cross-currency interest rate swaps
Derivatives:
Derivatives	21
Level 2 | Money market funds
Cash equivalents:
Cash equivalents	0	0
Level 2 | Mutual funds
Cash equivalents:
Cash equivalents		0
Level 2 | Term deposits
Cash equivalents:
Cash equivalents	188	153
Investments:
Investments	48	200
Level 2 | Equity investments
Investments:
Investments	$ 515	0
Level 3
Investments:
Total assets		815
Level 3 | Foreign currency forward contracts
Derivatives:
Derivatives		0
Level 3 | Money market funds
Cash equivalents:
Cash equivalents		0
Level 3 | Mutual funds
Cash equivalents:
Cash equivalents		0
Level 3 | Term deposits
Cash equivalents:
Cash equivalents		0
Investments:
Investments		0
Level 3 | Equity investments
Investments:
Investments		$ 815