Fair Value Measurements (Details) - USD ($) $ in Millions		Jun. 30, 2022	Dec. 31, 2021
Assets:
Investments		$ 8	$ 10
Foreign Exchange Contracts		29	10
Total Assets at Fair Value		37	20
Liabilities:
Foreign Exchange Contracts		3	5
Total Liabilities at Fair Value		3	5
Supplemental Fair Value Information
Notes Payable and Overdrafts (Note 9)		519	406
Carrying amount — liability		7,628	6,736
Fixed Rate Debt, Excluding Capital Leases
Supplemental Fair Value Information
Notes Payable and Overdrafts (Note 9)		222	227
Carrying amount — liability	[1]	5,682	5,781
Fair value — liability	[1]	5,081	6,149
Variable Rate Debt, Excluding Capital Leases
Supplemental Fair Value Information
Notes Payable and Overdrafts (Note 9)		297	179
Carrying amount — liability	[1]	1,946	955
Fair value — liability	[1]	1,887	955
Quoted Prices in Active Markets for Identical Assets/Liabilities (Level 1)
Assets:
Investments		8	10
Foreign Exchange Contracts		0	0
Total Assets at Fair Value		8	10
Liabilities:
Foreign Exchange Contracts		0	0
Total Liabilities at Fair Value		0	0
Supplemental Fair Value Information
Fair value — liability		4,899	5,905
Significant Other Observable Inputs (Level 2)
Assets:
Investments		0	0
Foreign Exchange Contracts		29	10
Total Assets at Fair Value		29	10
Liabilities:
Foreign Exchange Contracts		3	5
Total Liabilities at Fair Value		3	5
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 $519 million and $406 million at June 30, 2022 and December 31, 2021, respectively, of which $222 million and $227 million, respectively, are at fixed rates and $297 million and $179 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.