Accrued Liabilities and Other - Schedule of Accrued Liabilities and Other Current Liabilities (Detail) - USD ($) $ in Millions		Jun. 30, 2021	Dec. 31, 2020
Payables And Accruals [Abstract]
Accrued purchases	[1]	$ 1,437	$ 901
Taxes payable	[2]	834	777
Payroll and related costs		840	654
Accrued warranty reserve, current portion		608	479
Sales return reserve, current portion		382	417
Operating lease liabilities, current portion		325	286
Accrued interest		60	77
Other current liabilities		292	264
Total		$ 4,778	$ 3,855

[1] Accrued purchases primarily reflects receipts of goods and services that we had not been invoiced yet. As we are invoiced for these goods and services, this balance will reduce and accounts payable will increase.

[2] Taxes payable includes value added tax, sales tax, property tax, use tax and income tax payables.