Pension and Other Benefit Plans (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Jun. 28, 2013	Jun. 29, 2012
Pension Plans, Defined Benefit [Member]
Components of net periodic benefit cost [Abstract]
Defined Benefit Pension Plans Contributions By Employer	$ 28
Defined Benefit Pension Plans Estimated Total Employer Contributions Current Fiscal Year	121
Pension Plans, Defined Benefit [Member] | US pension plans [Member]
Components of net periodic benefit cost [Abstract]
Service cost	2	3
Interest cost	38	40
Expected return on assets	(51)	(40)
Amortization of unrecognized net loss	11	11
Contractual termination benefit	0	0
Net periodic pension cost	0	14
Pension Plans, Defined Benefit [Member] | Non-US pension plans [Member]
Components of net periodic benefit cost [Abstract]
Service cost	7	8
Interest cost	30	31
Expected return on assets	(37)	(31)
Amortization of unrecognized net loss	6	5
Contractual termination benefit	1	5
Net periodic pension cost	7	18
Other Postretirement Benefit Plans, Defined Benefit [Member]
Components of net periodic benefit cost [Abstract]
Service cost	1	1
Interest cost	2	3
Expected return on assets	(1)	(2)
Amortization of unrecognized net loss	3	4
Net periodic pension cost	5	6
Contributions by Employer	1
Estimated Employer Contributions in Current Fiscal Year	$ 9