Pension And Other Postretirement Benefit Plans (Components Of Net Periodic Pension Cost) (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
Pension - U.S Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 2	$ 2	$ 4	$ 4
Interest cost	18	18	37	36
Expected return on plan assets	(21)	(20)	(41)	(40)
Amortization of: Net actuarial loss	1	3	2	7
Net periodic benefit cost (benefit)		3	2	7
Pension - International Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	6	8	13	16
Interest cost	41	40	83	79
Expected return on plan assets	(54)	(49)	(110)	(96)
Amortization of: Prior service cost (benefit)	1	2	2	3
Amortization of: Net actuarial loss	2	7	4	13
Net periodic benefit cost (benefit)	(4)	8	(8)	15
Postretirement Medical And Life Insurance [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	1		1	1
Interest cost	1	2	2	3
Amortization of: Prior service cost (benefit)	(3)	(3)	(6)	(6)
Net periodic benefit cost (benefit)	$ (1)	$ (1)	$ (3)	$ (2)