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Debt - Debt Issuances and Repayments (Details) - USD ($) $ in Millions	Feb. 18, 2025	Mar. 04, 2024	Feb. 15, 2024	Mar. 29, 2024	Feb. 28, 2024
Senior Notes due December 2031, 2033 and 2054 | Senior Notes
Debt Instrument [Line Items]
Debt issued					$ 1,500
5.250% Senior Notes due 2031 | Senior Notes
Debt Instrument [Line Items]
Debt issued					$ 600
Debt interest rate					5.25%
5.300% Senior Notes due 2033 | Senior Notes
Debt Instrument [Line Items]
Debt issued					$ 400
Debt interest rate					5.30%
5.650% Senior Notes due 2054 | Senior Notes
Debt Instrument [Line Items]
Debt issued					$ 500
Debt interest rate					5.65%
3.605% Senior Notes due February 2025 | Senior Notes
Debt Instrument [Line Items]
Debt interest rate	3.605%
Repayments of debt	$ 59
Junior Subordinated Notes due 2025 | Senior Notes | DCP LP
Debt Instrument [Line Items]
Debt interest rate				5.375%
Aggregate principal amount intended to be redeemed				$ 300
Borrowings outstanding				$ 525
Term Loan Agreement | Line of Credit | Secured Debt
Debt Instrument [Line Items]
Repayments of debt		$ 700
Borrowings outstanding		$ 1,250
0.900% Senior Notes due February 2024 | Senior Notes
Debt Instrument [Line Items]
Debt interest rate			0.90%
Repayments of debt			$ 800

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