Debt and Financing Activities - Commercial Paper Narrative (Details) - Commercial Paper - USD ($)	3 Months Ended
Jun. 30, 2024	Jun. 30, 2023	Mar. 31, 2024
Line of Credit Facility [Line Items]
Credit facility, maximum borrowing capacity	$ 4,000,000,000.0
Proceeds from issuance of commercial paper	1,400,000,000	$ 65,000,000
Repayments of commercial paper	$ 1,400,000,000	$ 65,000,000
Commercial paper			$ 0

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

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- Definition

Carrying value as of the balance sheet date of the current portion of long-term unsecured obligations issued by corporations and other borrowers to investors (with maturities initially due after one year or beyond the operating cycle if longer).

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The cash inflow from borrowing by issuing commercial paper.

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The cash outflow due to repaying amounts borrowed by issuing commercial paper.

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