Segment reporting (Tables)

3 Months Ended

Nov. 30, 2019

Segment Reporting [Abstract]

Reconciliation of Operating Income (Loss) from Segments to Consolidated

The following table reflects results of operations of the Company's reportable segments (in millions):

	Three months ended November 30,
	2019		2018
Sales:
Retail Pharmacy USA	$	26,133	$	25,721
Retail Pharmacy International	2,745		2,901
Pharmaceutical Wholesale	6,007		5,708
Eliminations1	(545)		(537)
Walgreens Boots Alliance, Inc.	$	34,339	$	33,793
Adjusted Operating income:
Retail Pharmacy USA	$	1,155	$	1,379
Retail Pharmacy International	79		132
Pharmaceutical Wholesale	229		220
Eliminations1	—		1
Walgreens Boots Alliance, Inc.	$	1,463	$	1,732

The following table reconciles adjusted operating income to operating income (in millions):

	Three months ended November 30,
	2019		2018
Adjusted operating income	$	1,463	$	1,732
Acquisition-related costs	(124)		(66)
Acquisition-related amortization and impairment	(118)		(123)
Transformational cost management	(86)		(30)
Adjustments to equity earnings in AmerisourceBergen	(80)		(44)
LIFO provision	(33)		(39)
Store optimization	(9)		(20)
Certain legal and regulatory accruals and settlements	—		(10)
Operating income	$	1,013	$	1,400

¹ Eliminations relate to intersegment sales between the Pharmaceutical Wholesale and the Retail Pharmacy International segments.