Leases - Schedule of Maturities of Finance Lease Liabilities (Details) - USD ($) $ in Millions	Mar. 31, 2026	Mar. 31, 2025
Operating Leases
Fiscal 2027	$ 364
Fiscal 2028	352
Fiscal 2029	315
Fiscal 2030	286
Fiscal 2031	244
Thereafter	916
Total lease payments	2,477
Less imputed interest	(389)
Present value of lease liabilities	2,088	$ 1,736
Finance Leases
Fiscal 2027	41
Fiscal 2028	42
Fiscal 2029	39
Fiscal 2030	30
Fiscal 2031	24
Thereafter	32
Total lease payments	208
Less imputed interest	(19)
Present value of lease liabilities	189	$ 195
Total
Fiscal 2027	405
Fiscal 2028	394
Fiscal 2029	354
Fiscal 2030	316
Fiscal 2031	268
Thereafter	948
Total lease payments	2,685
Less imputed interest	(408)
Present value of lease liabilities	2,277
Minimum sublease income	$ 219

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-6

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-Paragraph 1
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479041/842-20-45-1

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 942
-SubTopic 235
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Publisher FASB
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-6

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-URI https://asc.fasb.org/1943274/2147479041/842-20-45-1

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