v3.25.2
Equity Changes in Accumulated Other Comprehensive Loss, Tax (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Jun. 28, 2025
Jun. 29, 2024
Jun. 28, 2025
Jun. 29, 2024
Accumulated Other Comprehensive Income (Loss) [Line Items]        
AOCI Tax, Attributable to Parent, Beginning Balance $ 632 $ 670 $ 718 $ 595
Unrealized gains (losses) arising during the period 58 (55) (2) (45)
Reclassifications of realized net (gains) losses to net income 9 32 41 97
AOCI reclassifications to comprehensive income, tax     (58)  
AOCI Tax, Attributable to Parent, Ending Balance 699 647 699 647
Market Value Adjustments for Hedges        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
AOCI Tax, Attributable to Parent, Beginning Balance 39 (3) 71 (64)
Unrealized gains (losses) arising during the period 99 (54) 19 (46)
Reclassifications of realized net (gains) losses to net income 17 26 65 79
AOCI reclassifications to comprehensive income, tax     0  
AOCI Tax, Attributable to Parent, Ending Balance 155 (31) 155 (31)
Unrecognized Pension and  Postretirement Medical  Expense        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
AOCI Tax, Attributable to Parent, Beginning Balance 515 529 531 517
Unrealized gains (losses) arising during the period 0 0 0 0
Reclassifications of realized net (gains) losses to net income (8) 6 (24) 18
AOCI reclassifications to comprehensive income, tax     0  
AOCI Tax, Attributable to Parent, Ending Balance 507 535 507 535
Foreign Currency Translation and Other        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
AOCI Tax, Attributable to Parent, Beginning Balance 78 144 116 142
Unrealized gains (losses) arising during the period (41) (1) (21) 1
Reclassifications of realized net (gains) losses to net income 0 0 0 0
AOCI reclassifications to comprehensive income, tax     (58)  
AOCI Tax, Attributable to Parent, Ending Balance $ 37 $ 143 $ 37 $ 143