Condensed Consolidated Statements of Operations (Parenthetical) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Net sales and operating revenues, from related parties	$ 3,336	$ 1,118	$ 5,581	$ 2,216
Cost of sales, to related parties	2,784	968	4,691	1,928
Selling, general and administrative expenses, to related parties	470	239	867	515
Interest expense, to related parties	43	20	73	49
Wholesale vehicle sales
Net sales and operating revenues, from related parties	557	49	797	129
Other sales and revenues
Net sales and operating revenues, from related parties	275	77	480	131
Related Party
Cost of sales, to related parties	3	1	4	2
Selling, general and administrative expenses, to related parties	6	5	12	9
Interest expense, to related parties	0	0	0	1
Related Party | Wholesale vehicle sales
Net sales and operating revenues, from related parties	16	0	22	0
Related Party | Other sales and revenues
Net sales and operating revenues, from related parties	$ 49	$ 23	$ 91	$ 43