Long-Term Debt and Short-Term Borrowings - Narrative (Details)		1 Months Ended	12 Months Ended
	May 31, 2023 USD ($)	May 31, 2023 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2021 EUR (€)	Dec. 31, 2004 USD ($)	Sep. 30, 2023 USD ($)	Jul. 31, 2023 USD ($)	Mar. 31, 2023 USD ($)	Dec. 31, 2022 EUR (€)
Debt instrument [Line Items]
Floating rate note payments due in next twelve months			$ 53,000,000
Interest rate contracts
Debt instrument [Line Items]
Derivative, notional amount					$ 800,000,000
Stand alone letters of credit and bank guarantees
Debt instrument [Line Items]
Amount of stand alone letters of credit and bank guarantees outstanding utilized in connection with normal business activities			355,000,000
Floating rate registered note due 2049
Debt instrument [Line Items]
Principal amount					500,000,000
Floating rate registered note due 2050 | L I B O R
Debt instrument [Line Items]
Principal amount					300,000,000
Fixed rate registered note due 2049
Debt instrument [Line Items]
Principal amount			500,000,000		1,000,000,000
Fixed rate registered note due 2050
Debt instrument [Line Items]
Principal amount			350,000,000		650,000,000
Fixed rate medium term note
Debt instrument [Line Items]
Principal amount			500,000,000							$ 650,000,000	€ 500,000,000
Repayment of principal amount			$ 600,000,000	$ 600,000,000
Fixed rate Eurobond due 2021
Debt instrument [Line Items]
Debt redeemed | €						€ 600,000,000
Fixed rate medium term note due 2022
Debt instrument [Line Items]
Debt redeemed					$ 450,000,000
Coupon rate					2.75%
Floating rate notes due 2027 and 2040 and 2041
Debt instrument [Line Items]
After date of issuance that put options commence (in years)							10 years
Floating rate notes due 2027 and 2040 and 2041 | Minimum
Debt instrument [Line Items]
Repurchase price of floating rate notes (as a percent)			99.00%				99.00%
Floating rate notes due 2027 and 2040 and 2041 | Maximum
Debt instrument [Line Items]
Repurchase price of floating rate notes (as a percent)			100.00%				100.00%
Floating rate note due 2044
Debt instrument [Line Items]
Term of debt instrument (in years)							40 years
Principal amount			$ 53,000,000				$ 60,000,000
Repurchase price of floating rate notes (as a percent)							100.00%
Revolving credit facility | Five year line of credit
Debt instrument [Line Items]
Maximum borrowing capacity including portion subject to lender approval	$ 4,250,000,000	$ 4,250,000,000						$ 5,250,000,000	$ 5,250,000,000
Term of debt instrument (in years)		5 years
Line of credit facility increase								$ 1,000,000,000	$ 1,000,000,000
Debt instrument, covenant interest ratio	3.0	3.0
Debt instrument, covenant			15
Revolving credit facility | Five year line of credit expired in november 2024
Debt instrument [Line Items]
Maximum borrowing capacity including portion subject to lender approval	$ 3,000,000,000	$ 3,000,000,000
Term of debt instrument (in years)	5 years
Revolving credit facility | 364-day credit facility
Debt instrument [Line Items]
Maximum borrowing capacity including portion subject to lender approval	$ 1,250,000,000	$ 1,250,000,000
Term of debt instrument (in years)	364 days