Long-Term Debt (Details of Long-Term Debt) (Details)	Dec. 31, 2022 USD ($)	Dec. 31, 2022 EUR (€)	Mar. 31, 2021
Senior Notes [Member] | USD Notes, 2.950%, Maturing May 2023 [Member]
Debt Instrument [Line Items]
Face Value	$ 218,000,000
Interest Rate	2.95%	2.95%	2.95%
Senior Notes [Member] | USD Notes, 4.000%, Maturing January 2024 [Member]
Debt Instrument [Line Items]
Face Value	$ 776,000,000
Interest Rate	4.00%	4.00%	4.00%
Senior Notes [Member] | USD Notes, 3.800%, Maturing February 2024 [Member]
Debt Instrument [Line Items]
Face Value	$ 345,000,000
Interest Rate	3.80%	3.80%	3.80%
Senior Notes [Member] | USD Notes, 2.350%, Maturing May 2025 [Member]
Debt Instrument [Line Items]
Face Value	$ 750,000,000
Interest Rate	2.35%	2.35%
Senior Notes [Member] | USD Notes, 4.400%, Maturing February 2026 [Member]
Debt Instrument [Line Items]
Face Value	$ 1,069,000,000
Interest Rate	4.40%	4.40%	4.40%
Senior Notes [Member] | USD Notes, 2.625%, Maturing September 2026 [Member]
Debt Instrument [Line Items]
Face Value	$ 500,000,000
Interest Rate	2.625%	2.625%
Senior Notes [Member] | USD Notes, 4.800%, Maturing February 2029 [Member]
Debt Instrument [Line Items]
Face Value	$ 1,906,000,000
Interest Rate	4.80%	4.80%	4.80%
Senior Notes [Member] | USD Notes, 3.400%, Maturing May 2030 [Member]
Debt Instrument [Line Items]
Face Value	$ 750,000,000
Interest Rate	3.40%	3.40%
Senior Notes [Member] | USD Notes, 2.450%, Maturing February 2032 [Member]
Debt Instrument [Line Items]
Face Value	$ 1,750,000,000
Interest Rate	2.45%	2.45%
Senior Notes [Member] | USD Notes, 9.950%, Maturing November 2038 [Member]
Debt Instrument [Line Items]
Face Value	$ 177,000,000
Interest Rate	9.95%	9.95%	9.95%
Senior Notes [Member] | USD Notes, 10.200%, Maturing February 2039 [Member]
Debt Instrument [Line Items]
Face Value	$ 208,000,000
Interest Rate	10.20%	10.20%	10.20%
Senior Notes [Member] | USD Notes, 5.800%, Maturing February 2039 [Member]
Debt Instrument [Line Items]
Face Value	$ 2,000,000,000
Interest Rate	5.80%	5.80%
Senior Notes [Member] | USD Notes, 3.400%, Maturing February 2041 [Member]
Debt Instrument [Line Items]
Face Value	$ 1,500,000,000
Interest Rate	3.40%	3.40%
Senior Notes [Member] | USD Notes, 4.250%, Maturing August 2042 [Member]
Debt Instrument [Line Items]
Face Value	$ 900,000,000
Interest Rate	4.25%	4.25%
Senior Notes [Member] | USD Notes, 4.500%, Maturing May 2043 [Member]
Debt Instrument [Line Items]
Face Value	$ 650,000,000
Interest Rate	4.50%	4.50%
Senior Notes [Member] | USD Notes, 5.375%, Maturing January 2044 [Member]
Debt Instrument [Line Items]
Face Value	$ 1,800,000,000
Interest Rate	5.375%	5.375%
Senior Notes [Member] | USD Notes, 3.875%, Maturing September 2046 [Member]
Debt Instrument [Line Items]
Face Value	$ 1,500,000,000
Interest Rate	3.875%	3.875%
Senior Notes [Member] | USD Notes, 5.950%, Maturing February 2049 [member]
Debt Instrument [Line Items]
Face Value	$ 2,500,000,000
Interest Rate	5.95%	5.95%
Senior Notes [Member] | USD Notes, 4.450%, Maturing May 2050 [Member]
Debt Instrument [Line Items]
Face Value	$ 500,000,000
Interest Rate	4.45%	4.45%
Senior Notes [Member] | USD Notes, 3.700%, Maturing February 2051 [Member]
Debt Instrument [Line Items]
Face Value	$ 1,250,000,000
Interest Rate	3.70%	3.70%
Senior Notes [Member] | USD Notes, 6.200%, Maturing February 2059 [Member]
Debt Instrument [Line Items]
Face Value	$ 271,000,000
Interest Rate	6.20%	6.20%	6.20%
Senior Notes [Member] | USD Notes, 4.000%, Maturing February 2061 [Member]
Debt Instrument [Line Items]
Face Value	$ 1,000,000,000
Interest Rate	4.00%	4.00%
Notes Payable, Other Payables [Member] | Euro Notes, 1.000%, Maturing February 2023 [Member]
Debt Instrument [Line Items]
Face Value | €		€ 1,250,000,000
Interest Rate	1.00%	1.00%
Notes Payable, Other Payables [Member] | Euro Notes, 1.700%, Maturing June 2025 [Member]
Debt Instrument [Line Items]
Face Value | €		€ 750,000,000
Interest Rate	1.70%	1.70%
Notes Payable, Other Payables [Member] | Euro Notes, 2.200%, Maturing June 2027 [Member]
Debt Instrument [Line Items]
Face Value | €		€ 1,000,000,000
Interest Rate	2.20%	2.20%
Notes Payable, Other Payables [Member] | Euro Notes, 3.125%, Maturing June 2031 [Member]
Debt Instrument [Line Items]
Face Value | €		€ 1,250,000,000
Interest Rate	3.125%	3.125%
Debenture [Member] | USD Debenture, 7.750%, Maturing January 2027 [Member]
Debt Instrument [Line Items]
Face Value	$ 42,000,000
Interest Rate	7.75%	7.75%