Other Comprehensive Income

6 Months Ended

Oct. 31, 2020

Statement of Comprehensive Income [Abstract]

Comprehensive Income (Loss) Note [Text Block]

Other Comprehensive Income

The following tables show the components of net other comprehensive income (loss):

	Three Months Ended						Three Months Ended
	October 31, 2019						October 31, 2020
(Dollars in millions)	Pre-Tax		Tax		Net		Pre-Tax		Tax		Net
Currency translation adjustments:
Net gain (loss) on currency translation	$	6	$	5	$	11	$	5	$	(1)	$	4
Reclassification to earnings	—		—		—		—		—		—
Other comprehensive income (loss), net	6		5		11		5		(1)		4
Cash flow hedge adjustments:
Net gain (loss) on hedging instruments	(2)		—		(2)		14		(4)		10
Reclassification to earnings1	(6)		1		(5)		(5)		1		(4)
Other comprehensive income (loss), net	(8)		1		(7)		9		(3)		6
Postretirement benefits adjustments:
Net actuarial gain (loss) and prior service cost	—		—		—		—		—		—
Reclassification to earnings2	4		(1)		3		7		(2)		5
Other comprehensive income (loss), net	4		(1)		3		7		(2)		5
Total other comprehensive income (loss), net	$	2	$	5	$	7	$	21	$	(6)	$	15
	Six Months Ended						Six Months Ended
	October 31, 2019						October 31, 2020
(Dollars in millions)	Pre-Tax		Tax		Net		Pre-Tax		Tax		Net
Currency translation adjustments:
Net gain (loss) on currency translation	$	(2)	$	(1)	$	(3)	$	58	$	8	$	66
Reclassification to earnings	—		—		—		—		—		—
Other comprehensive income (loss), net	(2)		(1)		(3)		58		8		66
Cash flow hedge adjustments:
Net gain (loss) on hedging instruments	13		(3)		10		(35)		8		(27)
Reclassification to earnings1	(10)		2		(8)		(16)		4		(12)
Other comprehensive income (loss), net	3		(1)		2		(51)		12		(39)
Postretirement benefits adjustments:
Net actuarial gain (loss) and prior service cost	—		—		—		—		—		—
Reclassification to earnings2	9		(2)		7		17		(5)		12
Other comprehensive income (loss), net	9		(2)		7		17		(5)		12
Total other comprehensive income (loss), net	$	10	$	(4)	$	6	$	24	$	15	$	39

1Pre-tax amount for each period is classified as sales in the accompanying condensed consolidated statements of operations.

2For the six months ended October 31, 2020, $4 of the pre-tax amount of $17 is classified in gain on sale of business in the accompanying condensed consolidated statements of operations. Otherwise, the pre-tax amount for each period is classified as non-operating postretirement expense.