v3.6.0.2
Consolidated and Combined Statements of Comprehensive Income - USD ($)
$ in Millions
 12 Months Ended
Oct. 31, 2016
Oct. 31, 2015
Oct. 31, 2014
Statement of Comprehensive Income [Abstract]      
Net earnings $ 3,161 $ 2,461 $ 1,648
Change in net unrealized (losses) gains on available-for-sale securities:      
Net unrealized (losses) gains arising during the period (4) (10) 5
Losses (gains) reclassified into earnings 3 0 (1)
Change in unrealized (losses) gains on available-for-sale securities (1) (10) 4
Change in net unrealized (losses) gains on cash flow hedges:      
Net unrealized gains arising during the period 226 481 111
Net (gains) losses reclassified into earnings (270) (480) 60
Change in unrealized gains (losses) on cash flow hedges (44) 1 171
Change in unrealized components of defined benefit plans:      
Losses arising during the period (1,777) (382) (794)
Amortization of actuarial loss and prior service benefit 284 214 82
Curtailments, settlements and other (18) 4 18
Plans transferred from former Parent during the period 0 (2,607) 0
Merged into former Parent's Shared plans during the period 0 0 61
Change in unrealized components of defined benefit plans (1,511) (2,771) (633)
Cumulative translation adjustment arising during the period (154) (198) (85)
Cumulative translation adjustment arising during the period 75 0 0
Change in foreign currency translation adjustment (79) (198) (85)
Other comprehensive loss before taxes (1,635) (2,978) (543)
Benefit (provision) for taxes 51 211 (10)
Other comprehensive loss, net of taxes (1,584) (2,767) (553)
Comprehensive income (loss) $ 1,577 $ (306) $ 1,095