Segment Information (Details) (USD $) In Millions	3 Months Ended				9 Months Ended
	Oct. 01, 2011		Oct. 02, 2010		Oct. 01, 2011		Oct. 02, 2010		Jan. 01, 2011
Segment Reporting Information [Line Items]
Revenues from external customers	$ 974		$ 966		$ 2,985		$ 2,847
Depreciation and amortization	49		49		146		145
Equity in earnings of joint ventures	0		1		0		3
Income (loss) before taxes	14		67		70		96
Total assets	5,967		5,879		5,967		5,879		5,909
Investment in equity method investees and joint ventures	25		27		25		27
Goodwill	394		394		394		394		394
Capital expenditures	41		59		170		144
Building Products [Member]
Segment Reporting Information [Line Items]
Revenues from external customers	166		157		511		500
Depreciation and amortization	9		10		29		31
Equity in earnings of joint ventures	0		1		0		3
Income (loss) before taxes	(5)		(10)		(19)		(4)
Total assets	530		551		530		551
Investment in equity method investees and joint ventures	23		25		23		25
Goodwill	129		129		129		129
Capital expenditures	3		10		11		18
Other operating income (expense) not included in segments	0		(1)		0		(1)
Corrugated Packaging [Member]
Segment Reporting Information [Line Items]
Revenues from external customers	808		809		2,474		2,347
Depreciation and amortization	39		37		113		107
Equity in earnings of joint ventures	0		0		0		0
Income (loss) before taxes	84		121		278		230
Total assets	2,499		2,378		2,499		2,378
Investment in equity method investees and joint ventures	2		2		2		2
Goodwill	265		265		265		265
Capital expenditures	37		48		156		121
Other operating income (expense) not included in segments	(15)		(4)		(28)		(6)
Items Not Included in Segments and Eliminations [Member]
Segment Reporting Information [Line Items]
Revenues from external customers	0		0		0		0
Depreciation and amortization	1		2		4		7
Equity in earnings of joint ventures	0		0		0		0
Income (loss) before taxes	(65)	[1]	(44)	[1]	(189)	[1]	(130)	[1]
Total assets	2,938		2,950		2,938		2,950
Investment in equity method investees and joint ventures	0		0		0		0
Goodwill	0		0		0		0
Capital expenditures	1		1		3		5
General and Administrative expense not included in segments	(16)	[1]	(17)	[1]	(50)	[1]	(54)	[1]
Share-based and long-term incentive compensation not included in segments	(12)	[1]	(6)	[1]	(51)	[1]	(20)	[1]
Other operating income (expense) not included in segments	(23)	[1]	(5)	[1]	(38)	[1]	(7)	[1]
Other non-operating income (expense) not included in segments	(1)	[1]	0	[1]	(5)	[1]	0	[1]
Net interest income (expense) on financial assets and nonrecourse financial liabilities of special purpose entities	(2)	[1]	(3)	[1]	(11)	[1]	(10)	[1]
Interest expense on debt not included in segments	(11)	[1]	(13)	[1]	(34)	[1]	(39)	[1]
Unallocated [Member]
Segment Reporting Information [Line Items]
Other operating income (expense) not included in segments	$ (8)		$ 0		$ (10)		$ 0

[1] Items not included in segments