Goodwill and Other Intangible Assets, net (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022	Jul. 31, 2023
Loss Contingencies [Line Items]
Amortization of intangible assets	$ 27	$ 18	$ 45	$ 35	$ 73
Finite-lived intangible assets, amortization expense, next twelve months	160		160
Finite-lived intangible assets, amortization expense, year two	160		160
Finite-lived intangible assets, amortization expense, year three	160		160
Finite-lived intangible assets, amortization expense, year four	160		160
Finite-lived intangible assets, amortization expense, year five	160		160
Disposal Group, Held-for-sale, Not Discontinued Operations [Member] | IQOS Tobacco Heating System [Member]
Loss Contingencies [Line Items]
Disposal group, purchase agreement, consideration, additional payment					$ 1,000
Disposal group, including discontinued operation, interest income	26		51
Disposal group, deferred gain on sale of rights under an agreement	$ 2,700		$ 2,700
Disposal Group, Held-for-sale, Not Discontinued Operations [Member] | IQOS Tobacco Heating System [Member] | Subsequent Event [Member]
Loss Contingencies [Line Items]
Disposal group, purchase agreement, consideration, additional payment						$ 1,800
Weighted Average
Loss Contingencies [Line Items]
Finite-lived intangible asset, useful life	18 years		18 years
UST Inc. [Member]
Loss Contingencies [Line Items]
Indefinite-lived trademarks	$ 8,800		$ 8,800
Middleton [Member]
Loss Contingencies [Line Items]
Indefinite-lived trademarks	$ 2,600		$ 2,600