Leases - Maturities of Operating and Finance Lease Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Finance Leases
2025	$ 144
2026	135
2027	132
2028	129
2029	127
Thereafter	1,371
Total lease payments	2,038
Less: imputed interest	(678)
Total finance lease liabilities	1,360	$ 1,391
Operating Leases
2025	2,683
2026	2,528
2027	2,343
2028	2,167
2029	1,911
Thereafter	9,557
Total lease payments	21,189
Less: imputed interest	(4,539)
Total operating lease liabilities	16,650	$ 17,775
Total
2025	2,827
2026	2,663
2027	2,475
2028	2,296
2029	2,038
Thereafter	10,928
Total lease payments	23,227
Less: imputed interest	(5,217)
Total lease liabilities	18,010
Future noncancelable subleases, future minimum payments	297
Leases, amount due in excess of remaining estimated economic life	$ 2,200

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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

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-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/2003/role/disclosureRef
-Topic 842
-SubTopic 30
-Name Accounting Standards Codification
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479773/842-30-50-12

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-Topic 842
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-Name Accounting Standards Codification
-Section 45
-Paragraph 1
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479041/842-20-45-1

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