Investments in Equity Securities (Investment in ABI Narrative) (Details) shares in Millions, $ in Millions		3 Months Ended		9 Months Ended
		Sep. 30, 2025 USD ($) shares	Mar. 31, 2024 USD ($) shares	Sep. 30, 2025 USD ($) shares	Sep. 30, 2024 USD ($)	Dec. 31, 2024 USD ($)
Schedule of Equity Method Investments [Line Items]
Conversion of stock, shares converted (in shares) | shares			60.0
Proceeds from the ABI Transaction	[1]			$ 0	$ 2,353
ABI [Member]
Schedule of Equity Method Investments [Line Items]
Equity method investment, ownership percentage		8.10%		8.10%
Number of restricted shares owned (in shares) | shares		125.0		125.0
Number of ordinary shares owned (in shares) | shares		34.0		34.0
Conversion ratio				1
Proceeds from the ABI Transaction			$ 2,400
Equity method investment, disposal, transaction costs			62		62
Pre-tax gain on partial sale of investment			408
Reclassification from AOCI			(243)		(243)
Release of valuation allowance, amount					$ 94
Reduction related to the change in the application of foreign attribution rules		$ 77
ABI [Member] | Marketing, Administration, And Research Costs [Member]
Schedule of Equity Method Investments [Line Items]
Equity method investment, disposal, transaction costs			59
ABI [Member] | Interest Income (Expense), Net [Member]
Schedule of Equity Method Investments [Line Items]
Equity method investment, disposal, transaction costs			$ 3
ABI [Member] | Secondary Offering [Member]
Schedule of Equity Method Investments [Line Items]
Sale of stock, number of shares issued in transaction (shares) | shares			35.0
Sale of stock, consideration received on transaction			$ 2,200
ABI [Member] | Private Placement to ABI
Schedule of Equity Method Investments [Line Items]
Sale of stock, number of shares issued in transaction (shares) | shares			3.3
Sale of stock, consideration received on transaction			$ 200
Fair Value, Inputs, Level 1 [Member] | ABI [Member]
Schedule of Equity Method Investments [Line Items]
Fair value of equity investment		9,500		$ 9,500		$ 7,900
Equity method investment, difference between carrying amount and fair value		$ 8,100		$ 8,100
Equity method investment, difference between carrying amount and fair value, percentage (approximately)		18.00%		18.00%

[1] See Note 6. Investments in Equity Securities.