Condensed Consolidating Financial Statements Condensed Consolidating Statements Of Earnings (Details) - USD ($) $ in Millions	3 Months Ended
	Apr. 03, 2016	Apr. 05, 2015
Revenue:
Revenue	$ 7,724	$ 7,784
Operating costs and expenses:
Cost of Revenue	6,211	6,254
General and administrative (G&A)	460	503
Operating Earnings	1,053	1,027
Interest, net	(22)	(21)
Other, net	10	3
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest	1,041	1,009
Income Tax Expense (Benefit)	311	293
Discontinued operations	(13)	0
Equity Net Earnings Subsidiaries	0	0
Net earnings	717	716
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	1,062	432
Parent Company
Revenue:
Revenue	0	0
Operating costs and expenses:
Cost of Revenue	4	1
General and administrative (G&A)	11	12
Operating Earnings	(15)	(13)
Interest, net	(23)	(23)
Other, net	10	1
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest	(28)	(35)
Income Tax Expense (Benefit)	(12)	(25)
Discontinued operations	(13)
Equity Net Earnings Subsidiaries	746	726
Net earnings	717	716
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	1,062	432
Guarantor Subsidiaries
Revenue:
Revenue	6,816	6,768
Operating costs and expenses:
Cost of Revenue	5,510	5,462
General and administrative (G&A)	378	416
Operating Earnings	928	890
Interest, net	0	1
Other, net	0	2
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest	928	893
Income Tax Expense (Benefit)	297	290
Discontinued operations	0
Equity Net Earnings Subsidiaries	0	0
Net earnings	631	603
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	632	606
Non-Guarantor Subsidiaries
Revenue:
Revenue	908	1,016
Operating costs and expenses:
Cost of Revenue	697	791
General and administrative (G&A)	71	75
Operating Earnings	140	150
Interest, net	1	1
Other, net	0	0
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest	141	151
Income Tax Expense (Benefit)	26	28
Discontinued operations	0
Equity Net Earnings Subsidiaries	0	0
Net earnings	115	123
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	429	(224)
Consolidating Adjustments
Revenue:
Revenue	0	0
Operating costs and expenses:
Cost of Revenue	0	0
General and administrative (G&A)	0	0
Operating Earnings	0	0
Interest, net	0	0
Other, net	0	0
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest	0	0
Income Tax Expense (Benefit)	0	0
Discontinued operations	0
Equity Net Earnings Subsidiaries	(746)	(726)
Net earnings	(746)	(726)
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	$ (1,061)	$ (382)