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GM Financial Receivables and Transactions (Tables) - GM Financial [Member]

12 Months Ended

Dec. 31, 2018

Finance Receivables [Line Items]

GM Financial Receivables

	December 31, 2018												December 31, 2017
	Retail				Commercial(a)				Total				Retail				Commercial(a)				Total
Finance receivables, collectively evaluated for impairment, net of fees	$	38,220			$	12,235			$	50,455			$	30,486			$	9,935			$	40,421
Finance receivables, individually evaluated for impairment, net of fees	2,348				41				2,389				2,228				22				2,250
GM Financial receivables	40,568				12,276				52,844				32,714				9,957				42,671
Less: allowance for loan losses	(844		)		(67		)		(911		)		(889		)		(53		)		(942		)
GM Financial receivables, net	$	39,724			$	12,209			$	51,933			$	31,825			$	9,904			$	41,729
Fair value of GM Financial receivables utilizing Level 2 inputs									$	12,209											$	9,904
Fair value of GM Financial receivables utilizing Level 3 inputs									$	39,430											$	31,831

__________

(a) Net of dealer cash management balances of $922 million and $536 million at December 31, 2018 and 2017.

Allowance for Loan Losses

	Years Ended December 31,
	2018				2017				2016
Allowance for loan losses at beginning of period	$	942			$	805			$	749
Provision for loan losses	642				757				644
Charge-offs	(1,199		)		(1,173		)		(1,137		)
Recoveries	536				552				542
Effect of foreign currency	(10		)		1				7
Allowance for loan losses at end of period	$	911			$	942			$	805

Intercompany Transactions

	December 31, 2018				December 31, 2017
Consolidated Balance Sheets
Commercial finance receivables, net due from GM consolidated dealers	$	445			$	355
Direct-financing lease receivables from GM subsidiaries	$	134			$	88
Subvention receivable(a)	$	727			$	306
Commercial loan funding payable	$	61			$	90

	Years Ended December 31,
	2018				2017				2016
Consolidated Statements of Income
Interest subvention earned on finance receivables	$	554			$	492			$	387
Leased vehicle subvention earned	$	3,274			$	3,046			$	2,232

__________

(a) Cash paid by Automotive segments to GM Financial for subvention was $3.8 billion, $4.3 billion, and $4.2 billion during 2018, 2017 and 2016

Retail Finance Receivables [Member]

Finance Receivables [Line Items]

Retail Finance Receivables Delinquency

The following table summarizes the contractual amount of delinquent retail finance receivables, which is not significantly different than the recorded investment of the retail finance receivables:

	December 31, 2018							December 31, 2017
	Amount				Percent of Contractual Amount Due			Amount				Percent of Contractual Amount Due
31-to-60 days delinquent	$	1,349			3.3	%		$	1,334			4.1	%
Greater-than-60 days delinquent	547				1.4	%		559				1.7	%
Total finance receivables more than 30 days delinquent	1,896				4.7	%		1,893				5.8	%
In repossession	44				0.1	%		27				—	%
Total finance receivables more than 30 days delinquent or in repossession	$	1,940			4.8	%		$	1,920			5.8	%

Commercial Finance Receivables [Member]

Finance Receivables [Line Items]

Commercial Finance Receivables Credit Quality

The following table summarizes the credit risk profile by dealer risk rating of the commercial finance receivables: 

		December 31, 2018				December 31, 2017
Group I	– Dealers with superior financial metrics	$	2,192			$	1,915
Group II	– Dealers with strong financial metrics	4,399				3,465
Group III	– Dealers with fair financial metrics	4,064				3,239
Group IV	– Dealers with weak financial metrics	1,116				997
Group V	– Dealers warranting special mention due to elevated risks	422				260
Group VI	– Dealers with loans classified as substandard, doubtful or impaired	83				81
		$	12,276			$	9,957

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