Overview and Basis of Presentation - Additional Information (Detail) $ / shares in Units, $ in Millions |
6 Months Ended | |
|---|---|---|
|
Jun. 01, 2016
USD ($)
$ / shares
shares
|
Jul. 01, 2017
Segment
|
|
| Basis Of Presentation [Line Items] | ||
| Business segment | Segment | 1 | |
| Senior Notes [Member] | ||
| Basis Of Presentation [Line Items] | ||
| Principal redeemed | $ | $ 1,090 | |
| Interest Rate | 8.50% | 5.88% |
| Contractual Maturity | Jun. 30, 2019 | |
| Loss on early redemption premium | $ | $ 23 | |
| IPO [Member] | ||
| Basis Of Presentation [Line Items] | ||
| Transaction date | Jun. 01, 2016 | |
| Number of shares sold | shares | 51,111,111 | |
| Price per share | $ / shares | $ 23.00 | |
| Price per share net of underwriting discounts | $ / shares | $ 21.9075 |