Tax Matters (Taxes on Income) (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Taxes on Income [Line Items]
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	[1]	$ 2,488	$ 1,996	$ 1,801
Deferred income taxes:
Total U.S. tax provision	[2]	$ 454	$ 360	$ 301
International:
U.S. statutory income tax rate		21.00%	21.00%	21.00%
State and local taxes, net of federal benefits		0.80%	0.90%	0.60%
Unrecognized tax benefits and tax settlements and resolution of certain tax positions	[3]	0.10%	0.10%	0.50%
Foreign Derived Intangible Income		(1.10%)	0.00%	(0.60%)
U.S. Research and Development Tax Credit and U.S. Domestic Production Activities deduction		(0.60%)	(0.70%)	(0.70%)
Stock-based compensation		(0.90%)	(1.30%)	(1.00%)
Non-deductible / non-taxable items		0.30%	0.40%	0.40%
Taxation of non-U.S. operations	[4]	(1.30%)	(1.60%)	(3.10%)
All other—net		(0.10%)	(0.80%)	(0.40%)
Effective tax rate		18.20%	18.00%	16.70%
International
International:
Total international tax provision		$ 202	$ 135	$ 101
United States
Deferred income taxes:
Total U.S. tax provision		252	225	200
United States
Taxes on Income [Line Items]
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest		1,308	1,109	965
Current income taxes:
Federal		311	232	192
State and local		35	36	28
Deferred income taxes:
Federal		(84)	(29)	(5)
State and local		(10)	(14)	(15)
International
Taxes on Income [Line Items]
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest		1,180	887	836
International:
Current income taxes		188	154	161
Deferred income taxes		14	(19)	(60)
Share-based Payments [Member]
International:
Discrete tax benefit related to revaluation of deferred taxes		24	29	20
Change in Valuation Allowances [Member]
International:
Discrete tax benefit related to revaluation of deferred taxes			5	18
Change in Valuation Allowances [Member] | International
International:
Discrete tax benefit related to revaluation of deferred taxes			5	18
Change in Tax Basis [Member]
International:
Discrete tax benefit related to revaluation of deferred taxes				14
Change in Tax Basis [Member] | International
International:
Discrete tax benefit related to revaluation of deferred taxes				14
Other Tax Items [Member]
International:
Discrete tax benefit related to revaluation of deferred taxes		6	19	12
Other Tax Items [Member] | International
International:
Discrete tax benefit related to revaluation of deferred taxes			8
Statutory Tax Rates [Member]
International:
Discrete tax benefit related to revaluation of deferred taxes		1	4	8
Business Acquisitions [Member]
International:
Discrete tax benefit related to revaluation of deferred taxes			7
Tax Settlements [Member]
International:
Discrete tax benefit related to revaluation of deferred taxes		$ 8	$ 4	10
Tax Settlements [Member] | International
International:
Discrete tax benefit related to revaluation of deferred taxes				$ 10

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

[2] In 2020, the Provision for taxes on income reflects the following: •the change in the jurisdictional mix of earnings, which includes the impact of the location of earnings from operations and repatriation costs. The jurisdictional mix of earnings can vary as a result of repatriation decisions, operating fluctuations in the normal course of business, the impact of non-deductible and non-taxable items, and the extent and location of other income and expense items, such as gains and losses on asset divestitures; •U.S. tax benefit related to U.S. Research and Development Tax Credit; •tax expense related to changes in uncertain tax positions (see D. Tax Contingencies); •a $29 million discrete tax benefit recorded in 2020 related to the excess tax benefits for share-based payments; •a $19 million net discrete tax benefit recorded in 2020 related to changes in various other tax items; •a $7 million discrete tax benefit recorded in 2020 related to the remeasurement of deferred tax assets and liabilities resulting from the integration of acquired businesses; •a $5 million discrete tax expense related to the changes in valuation allowances; •a $4 million discrete tax benefit recorded in 2020 related to a remeasurement of deferred tax assets and liabilities as a result of changes in statutory tax rates; and •a $4 million net discrete tax benefit recorded in 2020 related to the effective settlement of certain issues with tax authorities. (c)     In 2019, the Provision for taxes on income reflects the following: •the change in the jurisdictional mix of earnings, which includes the impact of the location of earnings from operations and repatriation costs. The jurisdictional mix of earnings can vary as a result of repatriation decisions, operating fluctuations in the normal course of business, the impact of non-deductible and non-taxable items, and the extent and location of other income and expense items, such as gains and losses on asset divestitures; •U.S. tax benefit related to U.S. Research and Development Tax Credit; •tax expense related to changes in uncertain tax positions (see D. Tax Contingencies); •the impact of the Global Intangible Low-Tax Income tax, a new provision of the Tax Act, which became effective for the company in the first quarter of 2019; •a $20 million discrete tax benefit recorded in 2019 related to the excess tax benefits for share-based payments; •an $18 million discrete tax benefit related to the changes in valuation allowances; •a $14 million net discrete tax benefit recorded in the third quarter of 2019 due to a change in tax basis related to purchase accounting; •a $12 million net discrete tax benefit recorded in 2019 related to changes in various other tax items; •a $10 million net discrete tax benefit recorded in 2019 related to the effective settlement of certain issues with tax authorities; and •an $8 million discrete tax benefit recorded in 2019 related to a remeasurement of deferred tax assets and liabilities as a result of changes in statutory tax rates.

[3] For a discussion about unrecognized tax benefits and tax settlements and resolution of certain tax positions, see above in this section and D. Tax Contingencies.

[4] he rate impact of taxation of non-U.S. operations was a decrease to our effective tax rate due to the jurisdictional mix of earnings.