Accounts and Notes Receivable and Allowance for Credit Losses - Additional Information (Detail) - USD ($) $ in Millions	2 Months Ended	12 Months Ended
	Feb. 25, 2016	Dec. 31, 2015	Dec. 31, 2014
Financing Receivable, Recorded Investment, Past Due [Line Items]
Accounts Receivable, Additional Narrative Disclosure		no material changes	no material changes
Gross lease receivables		$ 154	$ 233
Subsequent Event
Financing Receivable, Recorded Investment, Past Due [Line Items]
Sales of leases to third parties without recourse	$ 35