Income Taxes - Schedule of Income Tax Expense Reconciled to Tax Computed at Statutory Rates (Details) - USD ($) $ in Millions		12 Months Ended
	Dec. 22, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 30, 2016
Amount
Federal Income Taxes		$ 904	$ 1,100	$ 959
State Income Taxes		112	102	83
Deferred Tax Rate Change	$ (3,500)	0	(3,506)	0
Other		(21)	(25)	(15)
Income Tax Expense		$ 995	$ (2,329)	$ 1,027
Percent
Federal Income Taxes		21.00%	35.00%	35.00%
State Income Taxes		2.60%	3.20%	3.00%
Deferred Tax Rate Change		0.00%	(111.60%)	0.00%
Other		(0.50%)	(0.80%)	(0.50%)
Income Tax Rate		23.10%	(74.20%)	37.50%