Income Taxes (Details) (USD $) In Millions	3 Months Ended	9 Months Ended	12 Months Ended
Oct. 01, 2011	Oct. 01, 2011	Dec. 31, 2010	Apr. 02, 2011
Income Taxes [Abstract]
Valuation allowance	$ 293	$ 293	$ 502
Valuation allowance - deferred tax assets relating to non-U.S subsidiaries		268	187
Tax benefit related to the reversal of the valuation allowance				244
Increase decrease in valuation allowance	34
Unrecognized tax benefits	223	223	198
Unrecognized tax benefits that would impact effective tax rate if recognized	175	175	20
Unrecognized tax benefits with potential to be recognized in next 12 months, lower end of range		50
Unrecognized tax benefits with potential to be recognized in next 12 months, higher end of range		100
Change in cash payment of unrecognized tax benefits, lower end of range		0
Change in cash payment of unrecognized tax benefits, upper end of range		$ 50

Significant Change In Cash Payment Of Unrecognized Tax Benefits Reasonably Possible Estimated Lower Range Of Change

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Significant Change In Cash Payment Of Unrecognized Tax Benefits Reasonably Possible Estimated Upper Range Of Change

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Valuation Allowance Amount Foreign

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The sum of the portions of deferred tax assets as of the balance sheet date for which, based on the weight of available evidence, it is more likely than not will not be realized through future reductions of tax-based income.

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The gross amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns as of the balance sheet date.

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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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The amount of the valuation allowance recorded as of the balance sheet date pertaining to the specified deferred tax asset for which an assessment was made that it is more likely than not that all or a portion of such deferred tax asset will not be realized through related deductions on future tax returns.

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The amount of the change in the period in the valuation allowance for a specified deferred tax asset.

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