Financial Instruments - Financial Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Assets
Foreign government bonds	$ 569	$ 86
Publicly traded equity securities	1,284	1,647
Derivative assets	433	549
Liabilities
Contingent consideration	456	777	$ 841
Derivative liabilities	409	121
Commercial paper
Assets
Foreign government bonds	498	0
Foreign government bonds
Assets
Foreign government bonds	0	2
U.S. government and agency securities
Assets
Foreign government bonds	68	80
Corporate notes and bonds
Assets
Foreign government bonds	3	4
Fair Value, Measurements, Recurring
Assets
Investments	1,513	370
Other assets	340	1,363
Derivative assets	433	549
Total assets	2,286	2,282
Liabilities
Contingent consideration	456	777
Derivative liabilities	409	121
Total liabilities	865	898
Fair Value, Measurements, Recurring | Foreign exchange contracts
Assets
Derivative assets	218	351
Liabilities
Derivative liabilities	402	120
Fair Value, Measurements, Recurring | Currency Options
Assets
Derivative assets	215	184
Liabilities
Derivative liabilities	7	1
Fair Value, Measurements, Recurring | Interest rate swap contracts
Assets
Derivative assets	0	14
Fair Value, Measurements, Recurring | Commercial paper
Assets
Foreign government bonds	498	0
Fair Value, Measurements, Recurring | Foreign government bonds
Assets
Foreign government bonds	0	2
Fair Value, Measurements, Recurring | U.S. government and agency securities
Assets
Other assets	68	80
Fair Value, Measurements, Recurring | Corporate notes and bonds
Assets
Other assets	3	4
Fair Value, Measurements, Recurring | Publicly traded equity securities
Assets
Publicly traded equity securities	1,015	368
Other assets	269	1,279
Fair Value, Measurements, Recurring | Level 1
Assets
Investments	1,015	368
Other assets	340	1,363
Derivative assets	0	0
Total assets	1,355	1,731
Liabilities
Contingent consideration	0	0
Derivative liabilities	0	0
Total liabilities	0	0
Fair Value, Measurements, Recurring | Level 1 | Foreign exchange contracts
Assets
Derivative assets	0	0
Liabilities
Derivative liabilities	0	0
Fair Value, Measurements, Recurring | Level 1 | Currency Options
Assets
Derivative assets	0	0
Liabilities
Derivative liabilities	0	0
Fair Value, Measurements, Recurring | Level 1 | Interest rate swap contracts
Assets
Derivative assets	0	0
Fair Value, Measurements, Recurring | Level 1 | Commercial paper
Assets
Foreign government bonds	0	0
Fair Value, Measurements, Recurring | Level 1 | Foreign government bonds
Assets
Foreign government bonds	0	0
Fair Value, Measurements, Recurring | Level 1 | U.S. government and agency securities
Assets
Other assets	68	80
Fair Value, Measurements, Recurring | Level 1 | Corporate notes and bonds
Assets
Other assets	3	4
Fair Value, Measurements, Recurring | Level 1 | Publicly traded equity securities
Assets
Publicly traded equity securities	1,015	368
Other assets	269	1,279
Fair Value, Measurements, Recurring | Level 2
Assets
Investments	498	2
Other assets	0	0
Derivative assets	433	549
Total assets	931	551
Liabilities
Contingent consideration	0	0
Derivative liabilities	409	121
Total liabilities	409	121
Fair Value, Measurements, Recurring | Level 2 | Foreign exchange contracts
Assets
Derivative assets	218	351
Liabilities
Derivative liabilities	402	120
Fair Value, Measurements, Recurring | Level 2 | Currency Options
Assets
Derivative assets	215	184
Liabilities
Derivative liabilities	7	1
Fair Value, Measurements, Recurring | Level 2 | Interest rate swap contracts
Assets
Derivative assets	0	14
Fair Value, Measurements, Recurring | Level 2 | Commercial paper
Assets
Foreign government bonds	498	0
Fair Value, Measurements, Recurring | Level 2 | Foreign government bonds
Assets
Foreign government bonds	0	2
Fair Value, Measurements, Recurring | Level 2 | U.S. government and agency securities
Assets
Other assets	0	0
Fair Value, Measurements, Recurring | Level 2 | Corporate notes and bonds
Assets
Other assets	0	0
Fair Value, Measurements, Recurring | Level 2 | Publicly traded equity securities
Assets
Publicly traded equity securities	0	0
Other assets	0	0
Fair Value, Measurements, Recurring | Level 3
Assets
Investments	0	0
Other assets	0	0
Derivative assets	0	0
Total assets	0	0
Liabilities
Contingent consideration	456	777
Derivative liabilities	0	0
Total liabilities	456	777
Fair Value, Measurements, Recurring | Level 3 | Foreign exchange contracts
Assets
Derivative assets	0	0
Liabilities
Derivative liabilities	0	0
Fair Value, Measurements, Recurring | Level 3 | Currency Options
Assets
Derivative assets	0	0
Liabilities
Derivative liabilities	0	0
Fair Value, Measurements, Recurring | Level 3 | Interest rate swap contracts
Assets
Derivative assets	0	0
Fair Value, Measurements, Recurring | Level 3 | Commercial paper
Assets
Foreign government bonds	0	0
Fair Value, Measurements, Recurring | Level 3 | Foreign government bonds
Assets
Foreign government bonds	0	0
Fair Value, Measurements, Recurring | Level 3 | U.S. government and agency securities
Assets
Other assets	0	0
Fair Value, Measurements, Recurring | Level 3 | Corporate notes and bonds
Assets
Other assets	0	0
Fair Value, Measurements, Recurring | Level 3 | Publicly traded equity securities
Assets
Publicly traded equity securities	0	0
Other assets	$ 0	$ 0