Debt (Tables)

3 Months Ended

Mar. 31, 2018

Debt Disclosure [Abstract]

Schedule of Debt

	March 31, 2018				December 31, 2017
	Carrying Amount		Fair Value		Carrying Amount		Fair Value
Secured debt
Revolving credit facilities	$	3,587	$	3,605	$	4,694	$	4,713
Securitization notes payable	35,854		35,790		35,193		35,235
Total secured debt	39,441		39,395		39,887		39,948
Unsecured debt
Senior notes	40,056		40,708		36,820		37,969
Credit facilities	2,311		2,314		2,368		2,375
Other unsecured debt	1,712		1,716		1,642		1,645
Total unsecured debt	44,079		44,738		40,830		41,989
Total secured and unsecured debt	$	83,520	$	84,133	$	80,717	$	81,937
Fair value utilizing Level 2 inputs			$	81,931			$	79,623
Fair value utilizing Level 3 inputs			$	2,202			$	2,314