Debt (Tables)

12 Months Ended

Dec. 31, 2015

Debt Disclosure [Abstract]

Schedule of Debt [Table Text Block]

Debt outstanding and interest rates were as follows (in millions):

							Interest Rates
	Debt						Average Contractual				Average Effective
	December 31, 2015			December 31, 2014			2015		2014		2015		2014
Short-term debt
Unsecured debt
Floating rate demand notes	$	5,926		$	5,559
Commercial paper	1,722			1,651
Other short-term debt	2,708			2,564
Asset-backed debt	1,855			1,377
Total short-term debt	12,211			11,151			1.6	%	1.9	%	1.6	%	1.9	%
Long-term debt
Unsecured debt
Notes payable within one year	10,254			9,102
Notes payable after one year	48,672			42,488
Asset-backed debt
Notes payable within one year	18,855			16,722
Notes payable after one year	29,390			25,197
Unamortized discount	(25		)	(51		)
Unamortized issuance costs (a)	(214		)	—
Fair value adjustments	458			428
Total long-term debt	107,390			93,886			2.3	%	2.7	%	2.4	%	2.8	%
Total debt	$	119,601		$	105,037		2.2	%	2.6	%	2.3	%	2.7	%
Fair value of debt	$	120,546		$	107,190
Interest rate characteristics of debt payable after one year
Fixed interest rate	54,396			49,148
Variable interest rate (generally based on LIBOR or other short-term rates)	23,666			18,537
Total payable after one year	$	78,062		$	67,685

Schedule of Debt with Affilated Companies [Table Text Block]

Debt with affiliated companies included in the above table was as follows (in millions):

	December 31, 2015		December 31, 2014
Other short-term debt	$	88	$	13
Notes payable within one year	13		307
Notes payable after one year	83		5
Total debt with affiliated companies	$	184	$	325

Schedule of Maturities of Long-term Debt [Table Text Block]

Debt maturities at December 31, 2015, were as follows (in millions):

	2016 (a)		2017		2018		2019		2020		Thereafter (b)		Total
Unsecured debt	$	20,610	$	12,503	$	11,288	$	6,151	$	6,882	$	11,848	$	69,282
Asset-backed debt	20,710		17,109		4,640		3,576		3,765		300		50,100
Total	41,320		29,612		15,928		9,727		10,647		12,148		119,382
Unamortized discount													(25		)
Unamortized issuance costs													(214		)
Fair value adjustments													458
Total debt													$	119,601

__________

(a) Includes $12,211 million for short-term and $29,109 million for long-term debt.

(b) Includes $12,020 million of unsecured debt maturing between 2021 and 2025 with the remaining balance maturing by 2048.