Equity-Based Compensation (Schedule Of Stock Option Activity) (Details) (USD $) In Millions, except Share data, unless otherwise specified	6 Months Ended
	Jul. 01, 2011
Equity-Based Compensation [Abstract]
Options Outstanding - beginning of year	26,851,964
Options Granted	2,073,278
Options Exercised	(263,821)
Options Forfeited/Expired	(2,703,169)
Options Outstanding - end of period	25,958,252
Options Exercisable - end of period	21,841,803
Shares vested or expected to vest	25,635,340
Weighted Average Exercise Price, Outstanding - beginning of year	$ 11.18
Weighted Average Exercise Price, Granted	$ 5.37
Weighted Average Exercise Price, Exercised	$ 1.80
Weighted Average Exercise Price, Forfeited/expired	$ 29.32
Weighted Average Exercise Price, Outstanding - end of period	$ 8.92
Weighted Average Exercise Price, Exercisable - end of period	$ 9.46
Weighted Average Exercise Price, Shares vested or expected to vest	$ 8.96
Weighted Average Remaining Contractual Term on Outstanding Options at period end, in years	4.0
Weighted Average Remaining Contractual Term on Exercisable Options at period end, in years	3.0
Weighted Average Remaining Contractual Term on Shares vested or expected to vest at period end, in years	3.9
Aggregate Intrinsic Value of Outstanding Options - end of period	$ 1.5
Aggregate Intrinsic Value of Exercisable - end of period	1.1
Aggregate Intrinsic Value of Shares vested or expected to vest - end of period	$ 1.5