Income Taxes (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Dec. 31, 2011	Jan. 01, 2011	Dec. 31, 2011	Jan. 01, 2011
Income Tax Contingency [Line Items]
Income tax expense (benefit)	$ 50	$ 41	$ 174	$ 78
Income before income taxes	83	129	173	227
Effective tax rate	60.50%	31.60%	100.50%	34.40%
Discrete tax expense for deferred taxes related to unremitted foreign earnings			20
Deferred tax expenses			79
Estimated annual effective tax rate for continuing operations			41.10%	34.70%
Discrete tax expense (benefit) recognized during period net			103
Tax expense, related to valuation allowances			73
Tax expense (benefit), decrease in unrecognized tax positions			69
Increase in annual effective tax rate due to expected repatriation of earnings			7.00%	2.00%
Increase in annual effective tax rate due to international restructuring charges			4.00%
Tax benefit likeliness threshold			50.00%
Liability for unrecognized tax benefits, period decrease			85
Unrecognized tax benefits	377		377
Unrecognized tax benefit, increase resulting from foreign currency exchange translation			38
Decrease in gross liability for uncertain tax positions			92
Decreases based on prior period tax positions			52
Decreases related to expiration of statute of limitation			1
Decreases related to audit settlements			1
Increase in gross liability for uncertain tax positions			7
Minimum [Member]
Income Tax Contingency [Line Items]
Unrecognized tax benefits, potential decrease in twelve months	25		25
Maximum [Member]
Income Tax Contingency [Line Items]
Unrecognized tax benefits, potential decrease in twelve months	$ 50		$ 50