Equity (Details) In Millions, except Share data, unless otherwise specified	1 Months Ended			3 Months Ended				9 Months Ended					1 Months Ended
	May 31, 2013	Mar. 29, 2013 USD ($)	Mar. 29, 2013 CHF	Jun. 28, 2013 USD ($) item	Mar. 29, 2013 USD ($)	Dec. 28, 2012 USD ($)	Jun. 29, 2012 USD ($)	Jun. 28, 2013 USD ($) item	Jun. 29, 2012 USD ($)	Jun. 28, 2013 CHF	Sep. 28, 2012 USD ($)	Sep. 28, 2012 CHF	May 31, 2013 Common Shares USD ($)	May 31, 2013 Contributed Surplus USD ($)	May 31, 2013 Treasury Shares USD ($)
Equity
Maximum percentage of additional shares which the board is authorized to issue subject to certain conditions		50.00%	50.00%
Cancellation of treasury shares (in shares)	10,564,817
Cash distribution paid (in dollars per share)				$ 0.25	$ 0.21	$ 0.21	$ 0.21	$ 0.67	$ 0.57
Common shares, par value (in currency per share)				$ 0.44				$ 0.44		0.57	$ 0.86	0.97
Dividend or cash distribution approved (in currency per share)		$ 1.00	0.96
Number of quarterly dividend installments				4				4
Unpaid portion of the dividend payment recorded in accrued and other current liabilities				$ 310				$ 310			$ 178
Repurchase of common shares								16,000,000
Shares repurchased								619
Amount available for repurchase, at end of period				688
Cancellation of shares
Cancellation of treasury shares													$ 4	$ 363	$ (367)