Debt and Financing Activities - Schedule of Long-Term Debt (Details) - USD ($) $ in Millions	Mar. 31, 2022	Aug. 12, 2021	Jul. 23, 2021	Jul. 17, 2021	Mar. 31, 2021	Dec. 03, 2020
Debt Instrument [Line Items]
Total debt outstanding	$ 5,879				$ 7,148
Less: Current portion	799				742
Total long-term debt	5,080				6,406
Held-for-sale | European Businesses (Disposal Group)
Debt Instrument [Line Items]
Current portion of long-term debt	4
Long-term debt	11
Loans payable | 2.70% Notes due December 15, 2022
Debt Instrument [Line Items]
Total debt outstanding	$ 400				400
Debt interest rate (percent)	2.70%
Loans payable | 2.85% Notes due March 15, 2023
Debt Instrument [Line Items]
Total debt outstanding	$ 360				400
Debt interest rate (percent)	2.85%		2.85%
Loans payable | 3.80% Notes due March 15, 2024
Debt Instrument [Line Items]
Total debt outstanding	$ 918				1,100
Debt interest rate (percent)	3.80%		3.80%
Loans payable | 0.90% Notes due December 3, 2025
Debt Instrument [Line Items]
Total debt outstanding	$ 500				500
Debt interest rate (percent)	0.90%					0.90%
Loans payable | 1.30% Notes due August 15, 2026
Debt Instrument [Line Items]
Total debt outstanding	$ 498				0
Debt interest rate (percent)	1.30%	1.30%
Loans payable | 7.65% Debentures due March 1, 2027
Debt Instrument [Line Items]
Total debt outstanding	$ 150				167
Debt interest rate (percent)	7.65%		7.65%
Loans payable | 3.95% Notes due February 16, 2028
Debt Instrument [Line Items]
Total debt outstanding	$ 343				600
Debt interest rate (percent)	3.95%		3.95%
Loans payable | 4.75% Notes due May 30, 2029
Debt Instrument [Line Items]
Total debt outstanding	$ 196				400
Debt interest rate (percent)	4.75%		4.75%
Loans payable | 6.00% Notes due March 1, 2041
Debt Instrument [Line Items]
Total debt outstanding	$ 217				282
Debt interest rate (percent)	6.00%		6.00%
Loans payable | 4.88% Notes due March 15, 2044
Debt Instrument [Line Items]
Total debt outstanding	$ 255				411
Debt interest rate (percent)	4.88%		4.88%
Loans payable | 0.63% Euro Notes due August 17, 2021
Debt Instrument [Line Items]
Total debt outstanding	$ 0				704
Debt interest rate (percent)	0.63%			0.63%
Loans payable | 1.50% Euro Notes due November 17, 2025
Debt Instrument [Line Items]
Total debt outstanding	$ 662				700
Debt interest rate (percent)	1.50%
Loans payable | 1.63% Euro Notes due October 30, 2026
Debt Instrument [Line Items]
Total debt outstanding	$ 554				587
Debt interest rate (percent)	1.63%
Loans payable | 3.13% Sterling Notes due February 17, 2029
Debt Instrument [Line Items]
Total debt outstanding	$ 582				627
Debt interest rate (percent)	3.13%
Lease and Other Obligations
Debt Instrument [Line Items]
Total debt outstanding	$ 244				$ 270