Acquisitions, Divestitures, and Assets Held for Sale (Tables)

12 Months Ended

Dec. 31, 2015

Property, Plant and Equipment [Abstract]

Schedule of Assets Acquired and Liabilities Assumed

The following summarizes the fair value of assets acquired and liabilities assumed at the acquisition date:

millions
Current assets	$	63
Properties and equipment	467
Other intangible assets	811
Accounts payable	(19		)
Accrued expenses	(38		)
Deferred income taxes	(1		)
Asset retirement obligations	(9		)
Goodwill	283
Total assets acquired and liabilities assumed	$	1,557

Schedule of Proceeds Received and Gains (Losses) Recognized on Divestitures

The following summarizes the proceeds received and gains (losses) recognized on divestitures for the years ended December 31:

millions	2015			2014		2013
Proceeds received	$	1,415		$	4,968	$	567
Gains (losses) on divestitures, net	(1,022		)	1,891		(470		)