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Recently Adopted and Recently Issued Accounting Guidance - Narrative (Detail) - USD ($) $ in Millions |  | 3 Months Ended
--- | --- | ---
Mar. 30, 2012 | Mar. 31, 2018 | Mar. 31, 2017
Summary Of Significant Accounting Policies [Line Items] |  |  |
Cash received for receivables | $ 50 | $ 136 | $ 95
Operating income (loss) |  | $ 333 | 283
Adjustments for New Accounting Pronouncement |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Operating income (loss) |  |  | $ 38

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- Details
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