Investments Investments (Tables)

12 Months Ended

Dec. 31, 2016

Equity Method Investments and Joint Ventures [Abstract]

Equity Method Investments

A summary of our investments, including our approximate ownership percentage and carrying value as of December 31, 2016 and 2015, is presented below.

		Approximate Ownership %		Carrying Value
	Accounting Method	December 31, 2016	December 31, 2015	December 31, 2016		December 31, 2015
				($ in millions)
Sundrop Fuels, Inc.	Equity	56%	56%	$	—	$	119
FTS International, Inc.	Equity	30%	30%	—		—
Other	—	—%	—%	7		17
Total investments(a)				$	7	$	136

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(a) Balance is included in other long-term assets on our consolidated balance sheets.