Consolidated Statements of Shareholders' Equity (USD $) In Millions, unless otherwise specified	Total	Preferred Stock [Member]	Common Stock [Member]	Capital Surplus [Member]	Retained Earnings [Member]	Treasury Stock [Member]	Accumulated Other Comprehensive Loss [Member]
Beginning Balance at Jan. 03, 2009	$ 2,366	$ 2	$ 32	$ 1,229	$ 3,025	$ (500)	$ (1,422)
Net income/loss	(31)				(31)
Other comprehensive income (loss):
Foreign currency translation adjustment	23						23
Deferred gains on hedge contracts	67						67
Pension adjustments	(25)						(25)
Reclassification adjustments	21						21
Pension curtailment	15						15
Total other comprehensive income (loss)	70
Dividends declared ($0.08, $0.08 and $0.08 per share for 2009, 2010 and 2011, respectively)	(21)				(21)
Share-based compensation	30			30
Purchase of convertible note call options	(140)			(140)
Equity component of convertible debt issuance	134			134
Issuance of common stock and warrants	333		3	330
Issuance of common stock for employee stock plans	60			(210)		270
Redemption of preferred stock	(1)	(2)		1
Income tax impact of employee stock transactions	(5)			(5)
Ending Balance at Jan. 02, 2010	2,826	0	35	1,369	2,973	(230)	(1,321)
Net income/loss	86				86
Other comprehensive income (loss):
Foreign currency translation adjustment	(2)						(2)
Deferred gains on hedge contracts	14						14
Pension adjustments	(112)						(112)
Recognition of currency translation loss (see Note 11)	74						74
Reclassification adjustments	31						31
Total other comprehensive income (loss)	91
Dividends declared ($0.08, $0.08 and $0.08 per share for 2009, 2010 and 2011, respectively)	(22)				(22)
Share-based compensation	22			22
Exercise of stock options	7			7
Issuance of common stock for employee stock plans	51			(94)		145
Income tax impact of employee stock transactions	(3)			(3)
Ending Balance at Jan. 01, 2011	2,972	0	35	1,301	3,037	(85)	(1,316)
Net income/loss	242				242
Other comprehensive income (loss):
Foreign currency translation adjustment	(3)						(3)
Deferred gains on hedge contracts	(5)						(5)
Pension adjustments	(350)						(350)
Reclassification adjustments	49						49
Total other comprehensive income (loss)	(67)
Dividends declared ($0.08, $0.08 and $0.08 per share for 2009, 2010 and 2011, respectively)	(22)				(22)
Purchases and conversions of convertible notes	(182)			(179)		(3)
Amendment of call option/warrant transactions and purchase of capped call	(30)			(30)
Share-based compensation	21			21
Issuance of common stock for employee stock plans	53			(32)		85
Ending Balance at Dec. 31, 2011	$ 2,745	$ 0	$ 35	$ 1,081	$ 3,257	$ (3)	$ (1,625)