XML 103 R90.htm IDEA: XBRL DOCUMENT v2.3.0.15
Estimated Future Benefit Payments (Detail) (USD $)
In Millions
Oct. 01, 2011
Pension Plans
 
Defined Benefit Plan Disclosure [Line Items] 
2012$ 273
2013293
2014319
2015342
2016368
2017 - 20212,333
Postretirement Medical Plans
 
Defined Benefit Plan Disclosure [Line Items] 
201239[1]
201342[1]
201446[1]
201549[1]
201653[1]
2017 - 2021$ 340[1]
[1]Estimated future benefit payments are net of expected Medicare subsidy receipts of $64 million.