Short-Term Borrowings and Borrowing Arrangements (Narrative) (Details) - USD ($)	1 Months Ended		12 Months Ended
	Mar. 31, 2020	Feb. 28, 2019	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Short-term Debt [Line Items]
Short-term borrowings			$ 0	$ 0
Debt instrument, covenant, consolidated EBITDA to interest expense ratio, minimum			4.0
Debt instrument, consolidated EBITDA to interest expense ratio			10.3
Repayment of short-term borrowings			$ 0	3,000,000,000	$ 12,800,000,000
Write-off of unamortized debt discounts and debt issuance costs			$ 26,000,000
Term Loan Agreement, JUUL and Cronos [Member]
Short-term Debt [Line Items]
Repayment of short-term borrowings		$ 12,800,000,000
Write-off of unamortized debt discounts and debt issuance costs					$ 95,000,000
Line of Credit [Member] | Revolving Credit Facility Due August 2024 | Revolving Credit Facility [Member]
Short-term Debt [Line Items]
Term of debt			5 years
Face Value			$ 3,000,000,000	$ 3,000,000,000
Debt instrument, extension term			1 year
Proceeds from issuance of debt	$ 3,000,000,000
Line of Credit [Member] | Revolving Credit Facility Due August 2024 | Revolving Credit Facility [Member] | London Interbank Offered Rate (LIBOR) [Member]
Short-term Debt [Line Items]
Applicable portion of interest rate for borrowing			1.00%