EXHIBIT 12

Computation of Ratio of Earnings to Fixed Charges

The computation of Ratio of Earnings to Fixed Charges as shown on this Exhibit 12 is provided pursuant to Items 503(d) and 601(12) of Regulation S-K.

(in millions)	2017			2016			2015			2014			2013
Earnings (loss) from continuing operations before income taxes(A)	$	58		$	(38	)	$	(109	)	$	(565	)	$	(985	)
Less: Net income attributable to non-controlling interests	(25		)	(32		)	(33		)	(40		)	(54		)
Dividends from non-consolidated affiliates	7			12			12			12			13
Interest expense(B)	302			290			270			265			264
Debt amortization expense	49			37			37			49			57
Interest portion of rent expense(C)	16			17			19			20			24
Total earnings (loss)	$	407		$	286		$	196		$	(259	)	$	(681	)
Capitalized interest	$	2		$	3		$	1		$	—		$	5
Interest expense(B)	318			307			289			285			288
Debt amortization expense	49			37			37			49			57
Total fixed charges	$	369		$	347		$	327		$	334		$	350
Ratio of earnings to fixed charges	1.10			0.82			0.60			—			—
Earnings shortfall	$	—		$	(61	)	$	(131	)	$	(593	)	$	(1,031	)

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(A)    Excludes equity in income (loss) of non-consolidated affiliates.

(B) Excludes interest expense on income tax contingencies.

(C) Represents an estimated amount of rental expense (33%) that is deemed to be representative of the interest factor.

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