Segment Information (Details) (USD $) In Millions	3 Months Ended				6 Months Ended
	Jul. 02, 2011		Jul. 03, 2010		Jul. 02, 2011		Jul. 03, 2010		Jan. 01, 2011
Segment Reporting Information [Line Items]
Revenues from external customers	$ 1,016		$ 976		$ 2,011		$ 1,881
Depreciation and amortization	49		48		97		96
Equity income from joint ventures	0		2		0		2
Income (loss) before taxes	30		32		56		29
Total assets	6,007		5,761		6,007		5,761		5,909
Investment in equity method investees and joint ventures	25		28		25		28
Goodwill	394		394		394		394		394
Capital expenditures	67		52		129		85
Other operating income (expense) not included in segments	(6)		(2)		(15)		(2)
Building Products [Member]
Segment Reporting Information [Line Items]
Revenues from external customers	171		190		345		343
Depreciation and amortization	10		10		20		21
Equity income from joint ventures	0		2		0		2
Income (loss) before taxes	(8)		15		(14)		6
Total assets	534		554		534		554
Investment in equity method investees and joint ventures	23		25		23		25
Goodwill	129		129		129		129
Capital expenditures	5		4		8		8
Other operating income (expense) not included in segments	0		0		0		0
Corrugated Packaging [Member]
Segment Reporting Information [Line Items]
Revenues from external customers	845		786		1,666		1,538
Depreciation and amortization	37		35		74		70
Equity income from joint ventures	0		0		0		0
Income (loss) before taxes	96		63		194		109
Total assets	2,525		2,336		2,525		2,336
Investment in equity method investees and joint ventures	2		3		2		3
Goodwill	265		265		265		265
Capital expenditures	61		48		119		73
Other operating income (expense) not included in segments	(4)		(2)		(13)		(2)
Items Not Included in Segments and Eliminations [Member]
Segment Reporting Information [Line Items]
Revenues from external customers	0		0		0		0
Depreciation and amortization	2		3		3		5
Equity income from joint ventures	0		0		0		0
Income (loss) before taxes	(58)	[1]	(46)	[1]	(124)	[1]	(86)	[1]
Total assets	2,948		2,871		2,948		2,871
Investment in equity method investees and joint ventures	0		0		0		0
Goodwill	0		0		0		0
Capital expenditures	1		0		2		4
General and Administrative expense not included in segments	(17)	[1]	(19)	[1]	(34)	[1]	(37)	[1]
Share-based and long-term incentive compensation not included in segments	(20)	[1]	(8)	[1]	(39)	[1]	(14)	[1]
Other operating income (expense) not included in segments	(6)	[1]	(2)	[1]	(15)	[1]	(2)	[1]
Other non-operating income (expense) not included in segments	0	[1]	0	[1]	(4)	[1]	0	[1]
Net interest income (expense) on financial assets and nonrecourse financial liabilities of special purpose entities	(4)	[1]	(4)	[1]	(9)	[1]	(7)	[1]
Interest expense on debt not included in segments	(11)	[1]	(13)	[1]	(23)	[1]	(26)	[1]
Unallocated [Member]
Segment Reporting Information [Line Items]
Other operating income (expense) not included in segments	$ (2)		$ 0		$ (2)		$ 0

[1] Items not included in segments