Fair Value Measurements (Details) - USD ($) $ in Millions		Dec. 31, 2023	Dec. 31, 2022
Assets:
Investments		$ 19	$ 8
Foreign Exchange Contracts		2	5
Total Assets at Fair Value		21	13
Liabilities:
Foreign Exchange Contracts		29	13
Total Liabilities at Fair Value		29	13
Supplemental Fair Value Information
Carrying amount — liability		7,012	7,240
Notes Payable and Overdrafts (Note 16)		344	395
Fixed Rate Debt, Excluding Capital Leases
Supplemental Fair Value Information
Carrying amount — liability	[1]	5,720	5,766
Fair value — liability	[1]	5,488	5,198
Notes Payable and Overdrafts (Note 16)		111	217
Variable Rate Debt, Excluding Capital Leases
Supplemental Fair Value Information
Carrying amount — liability	[1]	1,292	1,474
Fair value — liability	[1]	1,286	1,437
Notes Payable and Overdrafts (Note 16)		233	178
Quoted Prices in Active Markets for Identical Assets/Liabilities (Level 1)
Assets:
Investments		19	8
Foreign Exchange Contracts		0	0
Total Assets at Fair Value		19	8
Liabilities:
Foreign Exchange Contracts		0	0
Total Liabilities at Fair Value		0	0
Supplemental Fair Value Information
Fair value — liability		5,301	4,946
Significant Other Observable Inputs (Level 2)
Assets:
Investments		0	0
Foreign Exchange Contracts		2	5
Total Assets at Fair Value		2	5
Liabilities:
Foreign Exchange Contracts		29	13
Total Liabilities at Fair Value		29	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 $344 million and $395 million at December 31, 2023 and 2022, respectively, of which $111 million and $217 million, respectively, are at fixed rates and $233 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.