Supplemental Guarantor Information Reconciliation From Cash and Cash Equivalents to Cash, Cash Equivalents, and Restricted Cash (Details) - USD ($) $ in Millions	Dec. 29, 2018	Sep. 29, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 30, 2017	Sep. 30, 2017	Jul. 01, 2017	Apr. 01, 2017	Dec. 31, 2016	Jan. 03, 2016
Schedule of Cash, Cash Equivalents, and Restricted Cash [Line Items]
Cash and cash equivalents	$ 1,130	$ 1,366	$ 3,369	$ 1,794	$ 1,629	$ 1,441	$ 1,445	$ 3,242
Restricted cash included in other current assets	1				140
Restricted cash included in other non-current assets	5				0
Cash, cash equivalents, and restricted cash	1,136	$ 1,367	$ 3,375	$ 1,800	1,769	$ 1,549	$ 1,518	$ 3,282	$ 4,255	$ 4,912
Eliminations
Schedule of Cash, Cash Equivalents, and Restricted Cash [Line Items]
Cash and cash equivalents	0				0
Restricted cash included in other current assets	0				0
Restricted cash included in other non-current assets	0
Cash, cash equivalents, and restricted cash	0				0				0	0
Parent Guarantor | Reportable Legal Entities
Schedule of Cash, Cash Equivalents, and Restricted Cash [Line Items]
Cash and cash equivalents	0				0
Restricted cash included in other current assets	0				0
Restricted cash included in other non-current assets	0
Cash, cash equivalents, and restricted cash	0				0				0	0
Subsidiary Issuer | Reportable Legal Entities
Schedule of Cash, Cash Equivalents, and Restricted Cash [Line Items]
Cash and cash equivalents	202				509
Restricted cash included in other current assets	0				135
Restricted cash included in other non-current assets	0
Cash, cash equivalents, and restricted cash	202				644				2,869	3,252
Non-Guarantor Subsidiaries | Reportable Legal Entities
Schedule of Cash, Cash Equivalents, and Restricted Cash [Line Items]
Cash and cash equivalents	928				1,120
Restricted cash included in other current assets	1				5
Restricted cash included in other non-current assets	5
Cash, cash equivalents, and restricted cash	$ 934				$ 1,125				$ 1,386	$ 1,660