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Stockholders' Deficit - Narrative (Details) $ / shares in Units, $ in Millions			3 Months Ended		12 Months Ended
	Jul. 21, 2026 $ / shares	Jul. 30, 2025 USD ($)	Jun. 30, 2026 USD ($) vote $ / shares	Jun. 30, 2025 USD ($) $ / shares	Mar. 31, 2026 USD ($)
Capital Unit [Line Items]
Number of votes per share of common stock permitted on proposals presented to stockholders (vote) | vote			1
Cash dividends declared, per common share (in dollars per share) | $ / shares			$ 0.82	$ 0.71
Excise tax accrual			$ 65		$ 40
Excise tax payment		$ 26
Shares Repurchased
Capital Unit [Line Items]
Excise tax accrual			$ 25	$ 2
Subsequent Event
Capital Unit [Line Items]
Cash dividends declared, per common share (in dollars per share) | $ / shares	$ 0.94

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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.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Publisher FASB
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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480008/505-10-S99-1

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