Goodwill and Other Intangible Assets and Liablities (Tables)

12 Months Ended

Dec. 31, 2015

Finite-Lived Intangible Assets, Amortization Expense, Maturity Schedule [Abstract]

Schedule of Finite-Lived Intangible Assets and Liabilities

Intangible assets and liabilities were as follows (in millions):

	As of December 31, 2015				As of December 31, 2014
	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Intangible assets	$	660	$	192	$	2,031	$	1,519
Intangible liabilities	$	1,403	$	736	$	2,056	$	1,274

Schedule of Finite-Lived Intangible Assets and Liabilities Amortization Expense

Amortization of intangible assets and liabilities was as follows (in millions):

	December 31, 2015		December 31, 2014
Amortization of intangible assets	$	58	$	310
Amortization of intangible liabilities	$	115	$	179

Schedule of Finite-Lived Intangible Assets and Liabilities, Future Amortization Expense

Amortization of intangible assets and liabilities for the next five years is expected to approximate the following (in millions):

	Amortization of intangible assets		Amortization of intangible liabilities
2016	$	39	$	101
2017	$	36	$	96
2018	$	33	$	90
2019	$	31	$	27
2020	$	31	$	26