Variable Interest Entity Arrangements - Carrying Values of Assets and Liabilities of Subsidiary in Consolidated Balance Sheets (Detail) - USD ($) $ in Millions	Jun. 30, 2022	Dec. 31, 2021	Jun. 30, 2021	Dec. 31, 2020
Current assets
Cash and cash equivalents	$ 18,324	$ 17,576	$ 16,229	$ 19,384
Accounts receivable, net	2,081	1,913
Prepaid expenses and other current assets	2,118	1,723
Total current assets	31,222	27,100
Non-current assets
Other non-current assets	2,952	2,138
Total assets	68,513	62,131
Current liabilities
Accrued liabilities and other	6,037	5,719
Deferred revenue	1,858	1,447
Current portion of debt and finance leases	1,532	1,589
Total current liabilities	21,821	19,705
Deferred revenue, net of current portion	2,210	2,052
Debt and finance leases, net of current portion	2,898	5,245
Other long-term liabilities	3,926	3,546
Total liabilities	30,855	30,548
Variable Interest Entities (VIEs) [Member]
Current assets
Cash and cash equivalents	65	79
Accounts receivable, net	45	22
Prepaid expenses and other current assets	301	152
Total current assets	411	253
Non-current assets
Other non-current assets	388	265
Total assets	4,723	4,626
Current liabilities
Accrued liabilities and other	66	74
Deferred revenue	10	10
Current portion of debt and finance leases	1,045	1,031
Total current liabilities	1,121	1,115
Deferred revenue, net of current portion	143	153
Debt and finance leases, net of current portion	1,592	2,093
Other long-term liabilities	11	11
Total liabilities	2,867	3,372
Variable Interest Entities (VIEs) [Member] | Solar Energy Systems [Member]
Non-current assets
Operating lease net	$ 3,924	$ 4,108