Receivables - Additional Information (Detail)		12 Months Ended
	Mar. 30, 2012 USD ($)	Dec. 31, 2015 USD ($) Agreement	Dec. 31, 2014 USD ($)
Schedule Of Financial Receivables [Line Items]
Number of arrangement with different financial institution to sell customer receivables | Agreement		3
Sale of customer receivables	$ 304,000,000
Cash received for receivables	50,000,000
Deferred purchase price receivable	$ 254,000,000	$ 249,000,000	$ 356,000,000
Additional funding received			40,000,000
Amount of cash draws under arrangement		0	710,000,000
Amount of cash repayments under arrangement		0	670,000,000
Accounts receivables		24,598,000,000
Cash collections of other receivables		24,099,000,000
Gross cash outflows from deferred purchased receivables		7,381,000,000	7,272,000,000
Gross cash inflows from deferred purchased receivables		6,893,000,000	$ 7,001,000,000
Minimum [Member]
Schedule Of Financial Receivables [Line Items]
Funding of customer receivables sold		200,000,000
Maximum [Member]
Schedule Of Financial Receivables [Line Items]
Funding of customer receivables sold		500,000,000
Predecessor [Member]
Schedule Of Financial Receivables [Line Items]
Additional funding received		200,000,000
Amount of cash draws under arrangement		1,258,000,000
Amount of cash repayments under arrangement		$ 1,058,000,000