Information By Segment and Geographic Region (Geographic Area Information) (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Oct. 01, 2016	Jul. 02, 2016	Apr. 02, 2016	Dec. 31, 2015	Oct. 03, 2015	Jul. 04, 2015	Apr. 04, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales	$ 1,883	$ 1,532	$ 1,430	$ 1,193	$ 1,682	$ 1,422	$ 1,368	$ 1,223	$ 6,038	$ 5,695	$ 5,881
Assets	8,463				8,346				8,463	8,346
Continuing Operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales									6,038	5,695	5,881
Assets	8,463				8,346				8,463	8,346	10,423
Continuing Operations | United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales									3,566	3,473	3,354
Assets	5,653				6,213				5,653	6,213	8,468
Continuing Operations | United Kingdom
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales									528	96	128
Assets	2,300				1,127				2,300	1,127	966
Continuing Operations | Other, net of eliminations
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales									1,944	2,126	2,399
Assets	$ 510				$ 1,006				$ 510	$ 1,006	$ 989