Fair Value Measurements - Schedule of Fair Value Assets and Liabilities (Detail) - USD ($) $ in Millions	Mar. 30, 2019	Dec. 29, 2018
Assets
Money market funds	$ 5	$ 1
Interest rate swaps	12	19
Total assets	17	20
Level 1
Assets
Money market funds	5	1
Interest rate swaps	0	0
Total assets	5	1
Level 2
Assets
Money market funds	0	0
Interest rate swaps	12	19
Total assets	12	19
Level 3
Assets
Money market funds	0	0
Interest rate swaps	0	0
Total assets	$ 0	$ 0

Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

No definition available.

Name:	us-gaap_CashAndCashEquivalentsFairValueDisclosure
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant