Fair Value Measurements (Details) - USD ($) $ in Millions		Sep. 30, 2023	Dec. 31, 2022
Assets:
Investments		$ 18	$ 8
Foreign Exchange Contracts		33	5
Total Assets at Fair Value		51	13
Liabilities:
Foreign Exchange Contracts		17	13
Total Liabilities at Fair Value		17	13
Supplemental Fair Value Information
Notes Payable and Overdrafts (Note 8)		322	395
Carrying amount — liability		8,092	7,240
Fixed Rate Debt, Excluding Capital Leases
Supplemental Fair Value Information
Notes Payable and Overdrafts (Note 8)		121	217
Carrying amount — liability	[1]	5,712	5,766
Fair value — liability	[1]	5,167	5,198
Variable Rate Debt, Excluding Capital Leases
Supplemental Fair Value Information
Notes Payable and Overdrafts (Note 8)		201	178
Carrying amount — liability	[1]	2,380	1,474
Fair value — liability	[1]	2,315	1,437
Quoted Prices in Active Markets for Identical Assets/Liabilities (Level 1)
Assets:
Investments		18	8
Foreign Exchange Contracts		0	0
Total Assets at Fair Value		18	8
Liabilities:
Foreign Exchange Contracts		0	0
Total Liabilities at Fair Value		0	0
Supplemental Fair Value Information
Fair value — liability		4,969	4,946
Significant Other Observable Inputs (Level 2)
Assets:
Investments		0	0
Foreign Exchange Contracts		33	5
Total Assets at Fair Value		33	5
Liabilities:
Foreign Exchange Contracts		17	13
Total Liabilities at Fair Value		17	13
Significant Unobservable Inputs (Level 3)
Assets:
Investments		0	0
Foreign Exchange Contracts		0	0
Total Assets at Fair Value		0	0
Liabilities:
Foreign Exchange Contracts		0	0
Total Liabilities at Fair Value		$ 0	$ 0

[1] Excludes Notes Payable and Overdrafts of $322 million and $395 million at September 30, 2023 and December 31, 2022, respectively, of which $121 million and $217 million, respectively, are at fixed rates and $201 million and $178 million, respectively, are at variable rates. The carrying value of Notes Payable and Overdrafts approximates fair value due to the short term nature of the facilities.