Fair Value Measurements (Details) - USD ($) $ in Millions		Jun. 30, 2024	Dec. 31, 2023
Assets:
Investments		$ 20	$ 19
Foreign Exchange Contracts		21	2
Total Assets at Fair Value		41	21
Liabilities:
Foreign Exchange Contracts		9	29
Total Liabilities at Fair Value		9	29
Supplemental Fair Value Information
Notes Payable and Overdrafts (Note 8)		462	344
Carrying amount — liability		7,751	7,012
Fixed Rate Debt, Excluding Capital Leases
Supplemental Fair Value Information
Notes Payable and Overdrafts (Note 8)		251	111
Carrying amount — liability	[1]	5,716	5,720
Fair value — liability	[1]	5,459	5,488
Variable Rate Debt, Excluding Capital Leases
Supplemental Fair Value Information
Notes Payable and Overdrafts (Note 8)		211	233
Carrying amount — liability	[1]	2,034	1,292
Fair value — liability	[1]	1,998	1,286
Quoted Prices in Active Markets for Identical Assets/Liabilities (Level 1)
Assets:
Investments		20	19
Foreign Exchange Contracts		0	0
Total Assets at Fair Value		20	19
Liabilities:
Foreign Exchange Contracts		0	0
Total Liabilities at Fair Value		0	0
Supplemental Fair Value Information
Fair value — liability		5,265	5,301
Significant Other Observable Inputs (Level 2)
Assets:
Investments		0	0
Foreign Exchange Contracts		21	2
Total Assets at Fair Value		21	2
Liabilities:
Foreign Exchange Contracts		9	29
Total Liabilities at Fair Value		9	29
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 $462 million and $344 million at June 30, 2024 and December 31, 2023, respectively, of which $251 million and $111 million, respectively, are at fixed rates and $211 million and $233 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.