Automotive and GM Financial Debt (Tables)

3 Months Ended

Mar. 31, 2019

Automotive [Member]

Debt Instrument [Line Items]

Debt carrying amount and fair value

	March 31, 2019				December 31, 2018
	Carrying Amount		Fair Value		Carrying Amount		Fair Value
Automotive debt	$	14,662	$	14,701	$	13,435	$	12,700
Finance lease liabilities	291		487		528		831
Total automotive debt	$	14,953	$	15,188	$	13,963	$	13,531
Fair value utilizing Level 1 inputs			$	12,353			$	11,693
Fair value utilizing Level 2 inputs			$	2,835			$	1,838

GM Financial [Member]

Debt Instrument [Line Items]

Debt carrying amount and fair value

	March 31, 2019				December 31, 2018
	Carrying Amount		Fair Value		Carrying Amount		Fair Value
Secured debt	$	41,625	$	41,738	$	42,835	$	42,835
Unsecured debt	50,506		50,866		48,153		47,556
Total GM Financial debt	$	92,131	$	92,604	$	90,988	$	90,391
Fair value utilizing Level 2 inputs			$	90,615			$	88,305
Fair value utilizing Level 3 inputs			$	1,989			$	2,086