Fair Value - Schedule of Fixed-Rate Senior Notes, Fair Value (Details) - Senior Notes - Fair Value, Inputs, Level 2	Mar. 31, 2024 USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed rate senior notes carrying amount	$ 6,000,000,000
Senior Notes Due in 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Principal amount	$ 500,000,000
Interest rate	2.35%
Fair value	$ 492,000,000
Senior Notes Due 2025
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Principal amount	$ 300,000,000
Interest rate	3.85%
Fair value	$ 293,000,000
Senior Unsecured Notes Due September 15, 2025
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Principal amount	$ 700,000,000
Interest rate	1.00%
Fair value	$ 659,000,000
Senior Notes Due 2026
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Principal amount	$ 700,000,000
Interest rate	3.80%
Fair value	$ 679,000,000
Senior Unsecured Notes Due September 15, 2027
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Principal amount	$ 700,000,000
Interest rate	1.40%
Fair value	$ 622,000,000
Senior Notes Due 2028
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Principal amount	$ 800,000,000
Interest rate	4.20%
Fair value	$ 777,000,000
Senior Notes Due in 2029
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Principal amount	$ 700,000,000
Interest rate	2.95%
Fair value	$ 630,000,000
Senior Notes Due June 2030
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Principal amount	$ 600,000,000
Interest rate	2.00%
Fair value	$ 502,000,000
Senior Unsecured Notes Due February 15, 2031
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Principal amount	$ 1,000,000,000
Interest rate	1.75%
Fair value	$ 805,000,000

Face (par) amount of debt instrument at time of issuance.

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Contractual interest rate for funds borrowed, under the debt agreement.

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The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

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