Variable Interest Entity Arrangements - Carrying Values of Assets and Liabilities of Subsidiary in Consolidated Balance Sheets (Detail) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Current assets
Cash and cash equivalents	$ 16,139	$ 16,398	$ 16,253
Accounts receivable, net	4,418	3,508
Prepaid expenses and other current assets	5,362	3,388
Total current assets	58,360	49,616
Other non-current assets	4,215	4,531
Total assets	122,070	106,618
Current liabilities
Accrued liabilities and other	10,723	9,080
Deferred revenue	3,168	2,864
Current portion of debt and finance leases	2,456	2,373
Total current liabilities	28,821	28,748
Deferred revenue, net of current portion	3,317	3,251
Debt and finance leases, net of current portion	5,757	2,857
Total liabilities	48,390	43,009
Variable Interest Entities (VIEs)
Current assets
Cash and cash equivalents	49	66
Accounts receivable, net	18	13
Prepaid expenses and other current assets	276	361
Total current assets	343	440
Other non-current assets	183	369
Total assets	3,228	4,087
Current liabilities
Accrued liabilities and other	32	67
Deferred revenue	6	6
Current portion of debt and finance leases	2,114	1,564
Total current liabilities	2,152	1,637
Deferred revenue, net of current portion	71	99
Debt and finance leases, net of current portion	1,834	2,041
Total liabilities	4,057	3,777
Variable Interest Entities (VIEs) | Operating Lease Vehicles
Current assets
Solar energy systems, net	392	0
Variable Interest Entities (VIEs) | Solar energy systems, net
Current assets
Solar energy systems, net	$ 2,310	$ 3,278