Equity Method Investments (Tables)

3 Months Ended

Mar. 31, 2015

Equity Method Investments and Joint Ventures [Abstract]

Equity Method Investments

Summarized financial information for our equity method investments is as follows:

	Three months ended March 31,
(in millions)	2015		2014 (a)
USG Boral Building Products:
Net sales	$	228	$	89
Gross profit	61		22
Operating profit	23		10
Income from continuing operations	26		9
Net income	18		7
Net income attributable to USG Boral Building Products	16		6
USG share of income from investment accounted for using the equity method	8		3
Other equity method investments:
USG share of income from investments accounted for using the equity method	—		—
Total income from equity method investments	8		3

(a) Operating results are presented for UBBP for the one month ended March 31, 2014.

Equity method investments as of March 31, 2015 and December 31, 2014, were as follows:

	March 31, 2015			December 31, 2014
(dollars in millions)	Carrying Value		Ownership Percentage	Carrying Value		Ownership Percentage
USG Boral Building Products	$	681	50%	$	689	50%
Other equity method investments	42		33% - 50%	46		33% - 50%
Total equity method investments	$	723		$	735