Fair Value Measurements (Details) - USD ($) $ in Millions	Jun. 30, 2025	Dec. 31, 2024
Assets:
Investments	$ 16	$ 16
Foreign Exchange Contracts	5	28
Total Assets at Fair Value	21	44
Liabilities:
Foreign Exchange Contracts	55	3
Total Liabilities at Fair Value	55	3
Supplemental Fair Value Information
Carrying amount — liability	7,072	6,963
Notes Payable and Overdrafts (Note 9)	499	558
Fixed Rate Debt, Excluding Capital Leases
Supplemental Fair Value Information
Carrying amount — liability	5,027	5,367
Fair value — liability	4,933	5,076
Notes Payable and Overdrafts (Note 9)	190	241
Variable Rate Debt, Excluding Capital Leases
Supplemental Fair Value Information
Carrying amount — liability	2,045	1,600
Fair value — liability	2,013	1,590
Notes Payable and Overdrafts (Note 9)	309	317
Quoted Prices in Active Markets for Identical Assets/Liabilities (Level 1)
Assets:
Investments	16	16
Foreign Exchange Contracts	0	0
Total Assets at Fair Value	16	16
Liabilities:
Foreign Exchange Contracts	0	0
Total Liabilities at Fair Value	0	0
Supplemental Fair Value Information
Fair value — liability	4,766	4,921
Significant Other Observable Inputs (Level 2)
Assets:
Investments	0	0
Foreign Exchange Contracts	5	28
Total Assets at Fair Value	5	28
Liabilities:
Foreign Exchange Contracts	55	3
Total Liabilities at Fair Value	55	3
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