Tax Matters (Taxes on Income) (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Taxes on Income [Line Items]
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	[1]	$ 2,936	$ 2,656	$ 2,488
Deferred income taxes:
Total U.S. tax provision		$ 596	$ 545	$ 454
International:
U.S. statutory income tax rate		21.00%	21.00%	21.00%
State and local taxes, net of federal benefits		1.60%	0.90%	0.80%
Unrecognized tax benefits and tax settlements and resolution of certain tax positions	[2]	0.90%	0.10%	0.10%
Foreign Derived Intangible Income		(0.70%)	(0.20%)	(1.10%)
U.S. Research and Development Tax Credit and U.S. Domestic Production Activities deduction		(0.70%)	(0.70%)	(0.60%)
Stock-based compensation		(0.30%)	(0.60%)	(0.90%)
Non-deductible / non-taxable items		0.20%	0.10%	0.30%
Taxation of non-U.S. operations		(0.80%)	(0.40%)	(1.30%)
All other—net		(0.90%)	0.30%	(0.10%)
Effective tax rate		20.30%	20.50%	18.20%
Effective Income Tax Rate Reconciliation, FDII, Amount		$ 12
International
International:
Total international tax provision		235	$ 197	$ 202
United States
Deferred income taxes:
Total U.S. tax provision		361	348	252
United States
Taxes on Income [Line Items]
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest		1,636	1,645	1,308
Current income taxes:
Federal		341	514	311
State and local		35	81	35
Deferred income taxes:
Federal		(40)	(198)	(84)
State and local		25	(49)	(10)
International
Taxes on Income [Line Items]
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest		1,300	1,011	1,180
International:
Current income taxes		281	235	188
Deferred income taxes		$ (46)	$ (38)	$ 14

[1] Defined as income before provision for taxes on income.

[2] For a discussion about unrecognized tax benefits and tax settlements and resolution of certain tax positions, see D. Tax Contingencies.