Supplemental Financial Information (Tables)

12 Months Ended

Dec. 31, 2016

Other Income and Expenses [Abstract]

Schedule of the components of other income (expense)

The following table details the components of “Other income” on the consolidated statements of operations:

	Year ended December 31,
(in millions)	2016			2015			2014
Investment gains	$	35		$	—		$	100
Derivatives	(5		)	(17		)	—
Divestitures	(34		)	5			2
Non-operating foreign currency gains	19			41			59
Other miscellaneous income	2			—			—
Other income	$	17		$	29		$	161

Schedule of supplemental consolidated balance sheet information

Supplemental Consolidated Balance Sheet Information

	As of December 31,
(in millions)	2016		2015
Prepaid expenses and other current assets:
Prepaid expenses	$	168	$	139
Inventory	77		128
Other	115		114
Total Prepaid expenses and other current assets	$	360	$	381

Property and equipment:
Land	$	56		$	79
Buildings	269			313
Leasehold improvements	89			79
Equipment and furniture	1,386			1,379
Equipment under capital lease	499			468
Property and equipment	2,299			2,318
Less: Accumulated depreciation	(1,416		)	(1,367		)
Total Property and equipment, net of accumulated depreciation	$	883		$	951
Accounts payable and accrued liabilities:
Accounts payable	$	206		$	238
Accrued interest expense	169			132
Other accrued expenses	685			637
Other	504			632
Total Accounts payable and accrued liabilities	$	1,564		$	1,639