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Acquisition of Consolidated Container Company - Additional Information (Detail) - USD ($) $ in Millions |  | 3 Months Ended | 4 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | ---
May 22, 2017 | Sep. 30, 2017 | Sep. 30, 2016 | Sep. 30, 2017 | Sep. 30, 2017 | Sep. 30, 2016 | Dec. 31, 2016
Business Acquisition [Line Items] |  |  |  |  |  |  |
Revenue |  | $ 3,521 | $ 3,287 |  | $ 10,180 | $ 9,767 |
Corporate [Member] |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Revenue |  | 249 | $ 37 |  | 403 | $ 110 |
CCC Acquisition Holdings, Inc. [Member] |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Payments for acquisition | $ 1,200 |  |  |  |  |  |
Cash payments funding acquisition |  |  |  |  | 620 |  |
Goodwill deductible for tax purposes |  | 94 |  | $ 94 | $ 94 |  |
CCC Acquisition Holdings, Inc. [Member] | Customer Relationships [Member] |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Useful life of intangible assets |  |  |  |  | 21 years |  |
CCC Acquisition Holdings, Inc. [Member] | Trade Name [Member] |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Useful life of intangible assets |  |  |  |  | 10 years |  |
Consolidated Container Company [Member] |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  | $ 788
Debt financing proceeds funding acquisition |  |  |  |  | $ 600 |  |
Consolidated Container Company [Member] | Corporate [Member] |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Revenue |  | $ 202 |  | $ 293 |  |  |

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