Consolidated Statements of Operations (Unaudited) - USD ($) shares in Millions, $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Revenues
Total revenues		$ 11,958	$ 6,036	$ 22,347	$ 12,021
Cost of revenues
Total cost of revenues		9,074	4,769	17,248	9,520
Gross profit		2,884	1,267	5,099	2,501
Operating expenses
Research and development		576	279	1,242	603
Selling, general and administrative		973	661	2,029	1,288
Restructuring and other		23		(78)
Total operating expenses		1,572	940	3,193	1,891
Income from operations		1,312	327	1,906	610
Interest income		11	8	21	18
Interest expense		(75)	(170)	(174)	(339)
Other income (expense), net		45	(15)	73	(69)
Income before income taxes		1,293	150	1,826	220
Provision for income taxes		115	21	184	23
Net income (loss)		1,178	129	1,642	197
Net income attributable to noncontrolling interests and redeemable noncontrolling interests in subsidiaries		36	25	62	77
Net income attributable to common stockholders		$ 1,142	$ 104	$ 1,580	$ 120
Net income (loss) per share of common stock attributable to common stockholders
Basic	[1]	$ 1.18	$ 0.11	$ 1.64	$ 0.13
Diluted	[1]	$ 1.02	$ 0.10	$ 1.41	$ 0.12
Weighted average shares used in computing net income (loss) per share of common stock
Basic	[1]	971	928	966	921
Diluted	[1]	1,119	1,036	1,126	1,016
Automobiles [Member]
Revenues
Revenues		$ 9,874	$ 4,911	$ 18,579	$ 9,804
Automotive leasing		332	268	629	507
Total revenues		10,206	5,179	19,208	10,311
Cost of revenues
Cost of revenues		7,119	3,714	13,576	7,413
Automotive leasing		188	148	348	270
Total cost of revenues		7,307	3,862	13,924	7,683
Energy Generation and Storage [Member]
Revenues
Total revenues		801	370	1,295	663
Cost of revenues
Total cost of revenues		781	349	1,376	631
Services And Other [Member]
Revenues
Revenues		951	487	1,844	1,047
Cost of revenues
Total cost of revenues		986	558	1,948	1,206
Automotive Segment [Member]
Revenues
Total revenues		11,157	5,666	21,052	11,358
Cost of revenues
Gross profit		2,864	1,246	5,180	2,469
Energy Generation And Storage Segment [Member]
Revenues
Total revenues		801	370	1,295	663
Cost of revenues
Gross profit		$ 20	$ 21	$ (81)	$ 32

[1] Prior period results have been adjusted to reflect the five-for-one stock split effected in the form of a stock dividend in August 2020.