Long-Term Debt (Debt Tender Offers and Redemption (Details) - Senior Notes [Member] - USD ($)	Dec. 31, 2022	Mar. 31, 2021
Debt Instrument [Line Items]
Principal Amount of Notes Purchased		$ 4,042,000,000
USD Notes, 2.850% [Member]
Debt Instrument [Line Items]
Interest Rate		2.85%
Principal Amount of Notes Purchased		$ 795,000,000
USD Notes, 2.950% [Member]
Debt Instrument [Line Items]
Interest Rate	2.95%	2.95%
Principal Amount of Notes Purchased		$ 132,000,000
USD Notes, 4.000% [Member]
Debt Instrument [Line Items]
Interest Rate	4.00%	4.00%
Principal Amount of Notes Purchased		$ 624,000,000
USD Notes, 3.800% [Member]
Debt Instrument [Line Items]
Interest Rate	3.80%	3.80%
Principal Amount of Notes Purchased		$ 655,000,000
USD Notes, 4.400% [Member]
Debt Instrument [Line Items]
Interest Rate	4.40%	4.40%
Principal Amount of Notes Purchased		$ 430,000,000
USD Notes, 4.800% [Member]
Debt Instrument [Line Items]
Interest Rate	4.80%	4.80%
Principal Amount of Notes Purchased		$ 1,094,000,000
USD Notes, 9.950% [Member]
Debt Instrument [Line Items]
Interest Rate	9.95%	9.95%
Principal Amount of Notes Purchased		$ 65,000,000
USD Notes, 10.200% [Member]
Debt Instrument [Line Items]
Interest Rate	10.20%	10.20%
Principal Amount of Notes Purchased		$ 18,000,000
USD Notes, 6.200% [Member]
Debt Instrument [Line Items]
Interest Rate	6.20%	6.20%
Principal Amount of Notes Purchased		$ 229,000,000