Income Taxes Net deferred tax asset (liability) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Deferred Tax Assets [Abstract]
Non-deductible reserves and other	$ 475,730	$ 486,990
Inventory valuation reserves	770,566	953,266
Net operating loss (NOL) carryforwards:
Federal	726,398	785,302
State	292,195	320,831
Alternative minimum tax credits	28,683	25,338
Energy credit and charitable contribution carryforward	39,978	38,895
Deferred Tax Assets, Gross	2,333,550	2,610,622
Deferred Tax Liabilities [Abstract]
Capitalized items, including real estate basis differences, deducted for tax, net	(39,449)	(84,637)
Trademarks and tradenames	(50,047)	(56,714)
Deferred Tax Liabilities, Gross	(89,496)	(141,351)
Valuation allowance	(157,300)	(2,469,271)
Net deferred tax asset (liability)	$ 2,086,754	$ 0