XML 109 R86.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
STOCKHOLDER'S EQUITY - Accumulated Other Comprehensive Income (Details) - USD ($)
$ in Millions
 3 Months Ended
Jan. 31, 2020
Jan. 31, 2019
AOCI Attributable to Parent, Net of Tax [Roll Forward]    
Beginning balance $ (578) $ (488)
Other comprehensive income (loss) before reclassifications 2 32
Amounts reclassified out of accumulated other comprehensive loss 15 9
Tax (expense) benefit 0 (2)
Other comprehensive income (loss) 17 39
Ending balance (561) (449)
Foreign currency translation [Member]    
AOCI Attributable to Parent, Net of Tax [Roll Forward]    
Beginning balance (43) (60)
Other comprehensive income (loss) before reclassifications 0 30
Amounts reclassified out of accumulated other comprehensive loss 0 0
Tax (expense) benefit 0 0
Other comprehensive income (loss) 0 30
Ending balance (43) (30)
Net defined benefit pension cost and post retirement plan costs, actuarial losses    
AOCI Attributable to Parent, Net of Tax [Roll Forward]    
Beginning balance (536) (445)
Other comprehensive income (loss) before reclassifications 0 4
Amounts reclassified out of accumulated other comprehensive loss 17 12
Tax (expense) benefit 0 (3)
Other comprehensive income (loss) 17 13
Ending balance (519) (432)
Net defined benefit pension cost and post retirement plan costs, prior service credits    
AOCI Attributable to Parent, Net of Tax [Roll Forward]    
Beginning balance 4 19
Other comprehensive income (loss) before reclassifications 0 0
Amounts reclassified out of accumulated other comprehensive loss (3) (4)
Tax (expense) benefit 1 1
Other comprehensive income (loss) (2) (3)
Ending balance 2 16
Unrealized gain (losses) on derivatives    
AOCI Attributable to Parent, Net of Tax [Roll Forward]    
Beginning balance (3) (2)
Other comprehensive income (loss) before reclassifications 2 (2)
Amounts reclassified out of accumulated other comprehensive loss 1 1
Tax (expense) benefit (1) 0
Other comprehensive income (loss) 2 (1)
Ending balance $ (1) $ (3)