Leases - Schedule of Operating and Financing Leases Presented in Balance Sheets (Detail) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Operating leases
Operating lease right-of-use assets	$ 2,016	$ 1,558
Accrued liabilities and other	$ 368	$ 286
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Accrued And Other Current Liabilities	Accrued And Other Current Liabilities
Other long-term liabilities	$ 1,671	$ 1,254
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Other Liabilities, Noncurrent	Other Liabilities, Noncurrent
Total operating lease liabilities	$ 2,039	$ 1,540
Finance leases:
Total finance lease assets	$ 1,563	$ 1,494
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Property, Plant and Equipment, Net	Property, Plant and Equipment, Net
Current portion of long-term debt and finance leases	$ 501	$ 374
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Long Term Debt And Finance Leases Current	Long Term Debt And Finance Leases Current
Long-term debt and finance leases, net of current portion	$ 991	$ 1,094
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Long Term Debt And Finance Leases Noncurrent	Long Term Debt And Finance Leases Noncurrent
Total finance lease liabilities	$ 1,492	$ 1,468
Solar Energy Systems [Member]
Finance leases:
Total finance lease assets	27	29
Property Plant And Equipment Net [Member]
Finance leases:
Total finance lease assets	$ 1,536	$ 1,465