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- Product Guarantee (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Movement in Standard and Extended Product Warranty, Increase (Decrease) [Roll Forward]
Beginning balance	$ 319	$ 293	$ 260
Warranty expense	125	91	88
Payments	(83)	(58)	(56)
Adjustments	(5)	(7)	1
Ending balance	$ 356	$ 319	$ 293

- Definition

Carrying value as of the balance sheet date of obligations incurred through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers.

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