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Balance Sheet Components - Narrative (Details) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Inventory [Line Items]
Weighted average days to maturity	135 days
Work-in-process inventories	$ 0	$ 0
Depreciation and amortization	789,000,000	$ 712,000,000	$ 517,000,000
Voluntary Recall
Inventory [Line Items]
Loss contingency receivable	4,160,000
Inventory Excess and Obsolescence \| Voluntary Recall
Inventory [Line Items]
Loss contingency receivable	$ 2,377,000