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Investments - Company's Combined Proportionate Share of Major Components of Financial Statements (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Equity Method Investments and Joint Ventures [Abstract]
Current assets	$ 479	$ 373
Long-term assets	289	82
Current liabilities	364	167
Long-term liabilities	124	76
Sales	1,732	1,013	967
Cost of goods sold, expenses and income taxes	1,521	839	814
Net income	$ 211	$ 174	$ 153

The amount of current assets reported by an equity method investment of the entity.

The amount of current liabilities reported by an equity method investment of the entity.

The amount of net income (loss) reported by an equity method investment of the entity.

The amount of noncurrent assets reported by an equity method investment of the entity.

The amount of noncurrent liabilities reported by an equity method investment of the entity.