Commercial Paper and Long-Term Debt (Tables)

12 Months Ended

Dec. 31, 2014

Debt Instrument [Line Items]

Commercial Paper and Long-Term Debt [Table Text Block]

Commercial paper and senior unsecured long-term debt consisted of the following:

	December 31, 2014						December 31, 2013
(in millions, except percentages)	Par Value		Carrying Value		Fair Value		Par Value		Carrying Value		Fair Value
Commercial paper	$	321	$	321	$	321	$	1,115	$	1,115	$	1,115
4.750% notes due February 2014	—		—		—		172		173		173
5.000% notes due August 2014	—		—		—		389		397		400
Floating-rate notes due August 2014	—		—		—		250		250		250
4.875% notes due March 2015 (a)	416		419		419		416		431		436
0.850% notes due October 2015 (a)	625		625		627		625		624		628
5.375% notes due March 2016 (a)	601		623		634		601		641		657
1.875% notes due November 2016 (a)	400		397		406		400		398		408
5.360% notes due November 2016	95		95		103		95		95		107
6.000% notes due June 2017 (a)	441		466		489		441		479		506
1.400% notes due October 2017 (a)	625		616		624		625		613		617
6.000% notes due November 2017 (a)	156		164		175		156		168		178
1.400% notes due December 2017 (a)	750		745		749		—		—		—
6.000% notes due February 2018 (a)	1,100		1,106		1,238		1,100		1,116		1,271
1.625% notes due March 2019 (a)	500		496		493		500		489		481
2.300% notes due December 2019 (a)	500		496		502		—		—		—
3.875% notes due October 2020 (a)	450		450		477		450		435		474
4.700% notes due February 2021 (a)	400		413		450		400		416		436
3.375% notes due November 2021 (a)	500		496		519		500		472		494
2.875% notes due December 2021 (a)	750		748		759		—		—		—
2.875% notes due March 2022 (a)	1,100		1,042		1,104		1,100		981		1,046
0.000% notes due November 2022	15		10		11		15		9		10
2.750% notes due February 2023 (a)	625		604		613		625		563		572
2.875% notes due March 2023 (a)	750		777		745		750		729		698
5.800% notes due March 2036	850		845		1,052		850		845		935
6.500% notes due June 2037	500		495		670		500		495		593
6.625% notes due November 2037	650		646		888		650		645		786
6.875% notes due February 2038	1,100		1,085		1,544		1,100		1,084		1,370
5.700% notes due October 2040	300		298		378		300		298		329
5.950% notes due February 2041	350		348		455		350		348		397
4.625% notes due November 2041	600		593		646		600		593		567
4.375% notes due March 2042	502		486		536		502		486		459
3.950% notes due October 2042	625		611		621		625		611		530
4.250% notes due March 2043	750		740		786		750		740		673
Total commercial paper and long-term debt	$	17,347	$	17,256	$	19,034	$	16,952	$	16,739	$	17,596

(a) Fixed-rate debt instruments hedged with interest rate swap contracts. See below for more information on the Company’s interest rate swaps.

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

Maturities of commercial paper and long-term debt for the years ending December 31 are as follows:

(in millions)
2015	$	1,396
2016	1,121
2017	1,980
2018	1,103
2019	1,027
Thereafter	10,870

Schedule of Derivatives Instruments Statements of Financial Performance and Financial Position, Location [Table Text Block]

The following table summarizes the location and fair value of the interest rate swap fair value hedges on the Company’s Consolidated Balance Sheet:

Type of Fair Value Hedge	Notional Amount		Fair Value		Balance Sheet Location
	(in billions)		(in millions)
December 31, 2014
Interest rate swap contracts	$	10.7	$	62	Other assets
			55		Other liabilities
December 31, 2013
Interest rate swap contracts	$	6.2	$	163	Other liabilities

Derivative Instruments, Gain (Loss) [Table Text Block]

The following table provides a summary of the effect of changes in fair value of fair value hedges on the Company’s Consolidated Statements of Operations:

	For the Years Ended December 31,
(in millions)	2014			2013			2012
Hedge - interest rate swap gain (loss) recognized in interest expense	$	170		$	(166	)	$	3
Hedged item - long-term debt (loss) gain recognized in interest expense	(170		)	166			(3		)
Net impact on the Company’s Consolidated Statements of Operations	$	—		$	—		$	—