Changes in Accumulated Other Comprehensive Loss (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 30, 2019	Mar. 31, 2018
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Balance at beginning of period	$ 3,229	$ 2,751
Unrecognized (loss) gain on interest rate swaps	(6)	9
Balance at end of period	3,310	2,846
Accumulated defined benefit plans adjustment attributable to parent
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Balance at beginning of period	(97)	(103)
Total before income tax	1	1
Income tax (benefit) provision	0	0
Current period comprehensive (loss) income, net of tax	1	1
Balance at end of period	(96)	(102)
Amortization of net loss
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Amounts reclassified from other comprehensive loss, before tax	1	1
Accumulated net gain (loss) from cash flow hedges attributable to parent
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Balance at beginning of period	13	8
Change in fair value of interest rate swaps	(5)	12
Amounts reclassified from other comprehensive loss, before tax	(2)	0
Total before income tax	(7)	12
Income tax (benefit) provision	(1)	3
Current period comprehensive (loss) income, net of tax	(6)	9
Balance at end of period	7	17
AOCI attributable to parent
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Balance at beginning of period	(84)	(95)
Balance at end of period	$ (89)	$ (85)