XML 123 R106.htm IDEA: XBRL DOCUMENT v3.8.0.1
Pensions And Other Postretirement Benefits (Narrative) (Details)
$ in Millions
 12 Months Ended
Sep. 30, 2017
USD ($)
plan
Oct. 01, 2016
USD ($)
Oct. 03, 2015
USD ($)
Defined Benefit Plan Disclosure [Line Items]      
Defined contribution retirement programs, expenses recognized $ 78 $ 67 $ 62
Healthcare cost trend rate, assumed, retirees who do qualify for Medicare 9.10%    
Healthcare cost trend rate, assumed, retirees who do not yet qualify for Medicare 7.30%    
Healthcare cost trend rate, ultimate rate 4.50%    
Multiemployer Plans, Pension [Member] | Bakery and Confectionary Union & Industry International Pension Fund [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Multiemployer plan, contributions $ 2 $ 1  
Multiemployer Plans, Pension [Member] | Bakery and Confectionary Union & Industry International Pension Fund [Member] | Pension and Other Postretirement Plans, Contributions, Total [Member] | Multiemployer Plans Concentration Risk [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Concentration, Percentage (less than) 5.00%    
Pension Plan [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Number of Plans | plan 9    
Number of defined benefit plans with accumulated benefit obligations in excess of plan assets 5 8  
Defined Benefit Pension, Fair Value of Plan Assets $ 1,512 $ 1,440  
Expected contributions to pension plans for fiscal 2017 38    
Defined benefit plans funding 53 64 14
Other Postretirement Benefits Plan [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Amounts expected to be reclassified to earnings within next 12 months (25)    
Defined Benefit Plan, Benefit Obligation 33 36 114
Defined Benefit Pension, Fair Value of Plan Assets 0 0 0
Defined benefit plans funding $ 4 9  
Foreign Plan [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Number of defined benefit plans | plan 1    
Defined Benefit Pension, Fair Value of Plan Assets $ 28 28  
Postretirement Health Coverage [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Number of Plans Subject to Partial Settlement, Health and Life Insurance Related | plan 5    
Defined Benefit Plans, Not Impacted by Heathcare Cost Trend Rates | plan 2    
Defined Benefit Plan, Benefit Obligation Not Impacted by Healthcare Cost Trend $ 19    
Defined Benefit Plans, Not Impacted by Heathcare Cost Trend Rates, Consisting of Fixed Annual Payments | plan 1    
Defined Benefit Plans, Not Impacted by Heathcare Cost Trend Rates, Life Insurance Related | plan 1    
Defined Benefit Plan, Benefit Obligation Not Impacted by Healthcare Cost Trend Due to Plan Amendments $ 1    
Defined Benefit Plan, Benefit Obligation $ 13    
Unfunded Plan [Member] | Nonqualified Plan [Member] | Pension Plan [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Number of Unfunded Non-Qualified Plans | plan 3    
Amounts expected to be reclassified to earnings within next 12 months $ 4    
Defined Benefit Plan, Benefit Obligation 230 222 201
Defined Benefit Pension, Fair Value of Plan Assets 0 0 0
Defined benefit plans funding $ 12 10  
Funded Plan [Member] | Qualified Plan [Member] | Pension Plan [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Number of Funded Qualified Plans | plan 6    
Accumulated benefit obligation $ 1,477 1,554  
Amounts expected to be reclassified to earnings within next 12 months 1    
Defined Benefit Plan, Benefit Obligation $ 1,477 1,554 1,785
Number of defined benefit plans | plan 2    
Defined Benefit Pension, Fair Value of Plan Assets $ 1,512 1,440 $ 1,576
Defined benefit plans funding 41 $ 54  
Minimum [Member] | Funded Plan [Member] | Qualified Plan [Member] | Pension Plan [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Cost of Providing Special and Contractual Termination Benefits 25    
Maximum [Member] | Funded Plan [Member] | Qualified Plan [Member] | Pension Plan [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Cost of Providing Special and Contractual Termination Benefits $ 30