XML 115 R93.htm IDEA: XBRL DOCUMENT v3.19.3
Pensions And Other Postretirement Benefits (Reconciliation Of Changes In Plans' Benefit Obligations, Assets And Funded Status) (Details) - USD ($)
$ in Millions
12 Months Ended
Sep. 28, 2019
Sep. 29, 2018
Sep. 30, 2017
Pension Plan [Member]      
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]      
Employer contributions $ 13 $ 29 $ 53
Other Postretirement Benefits Plan [Member]      
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]      
Benefit obligation at beginning of year 28 33  
Service cost 2 1 1
Interest cost 1 1 1
Curtailment 0 0  
Plan Amendments 4 0  
Actuarial (gain) loss 6 (5)  
Benefits paid (4) (2)  
Defined Benefit Plan, Benefit Obligation, Business Combination 13    
Defined Benefit Plan, Benefit Obligation, Increase (Decrease) for Other Change 27    
Benefit obligation at end of year 77 28 33
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]      
Fair value of plan assets at beginning of year 0 0  
Actual return on plan assets 0 0  
Employer contributions 4 2  
Benefits paid (4) (2)  
Fair value of plan assets at end of year 0 0 0
Funded status (77) (28)  
Funded Plan [Member] | Qualified Plan [Member] | Pension Plan [Member]      
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]      
Benefit obligation at beginning of year 1,392 1,477  
Service cost 0 0 2
Interest cost 56 55 57
Curtailment 0 0  
Plan Amendments 0 0  
Actuarial (gain) loss 154 (60)  
Benefits paid (77) (80)  
Defined Benefit Plan, Benefit Obligation, Business Combination 2    
Defined Benefit Plan, Benefit Obligation, Payment for Settlement (49)    
Benefit obligation at end of year 1,478 1,392 1,477
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]      
Fair value of plan assets at beginning of year 1,450 1,512  
Actual return on plan assets 146 4  
Employer contributions 1 14  
Benefits paid (77) (80)  
Defined Benefit Plan, Plan Assets, Business Combination 2    
Defined Benefit Plan, Plan Assets, (Increase) Decrease for Settlement (45)    
Fair value of plan assets at end of year 1,477 1,450 1,512
Funded status (1) 58  
Unfunded Plan [Member] | Nonqualified Plan [Member] | Pension Plan [Member]      
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]      
Benefit obligation at beginning of year 220 230  
Service cost 1 7 11
Interest cost 9 8 8
Curtailment 0 (5)  
Plan Amendments 0 5  
Actuarial (gain) loss 17 (10)  
Benefits paid (12) (15)  
Defined Benefit Plan, Benefit Obligation, Business Combination 4    
Benefit obligation at end of year 239 220 230
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]      
Fair value of plan assets at beginning of year 0 0  
Actual return on plan assets 0 0  
Employer contributions 12 15  
Benefits paid (12) (15)  
Fair value of plan assets at end of year 0 0 $ 0
Funded status $ (239) $ (220)