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SEGMENTS (Tables)

12 Months Ended

Dec. 31, 2021


	Year Ended December 31,
(Dollars in millions)	2021		2020		2019
Revenue
United States	$	4,805	$	5,084	$	5,340
Japan		2,923		3,042		2,929
Principal Markets		7,085		7,187		7,587
Strategic Markets		3,844		4,040		4,424
Total revenue	$	18,657	$	19,352	$	20,279
Segment adjusted EBITDA
United States	$	842	$	940	$	974
Japan		501		534		468
Principal Markets		341		375		609
Strategic Markets		540		488		660
Total segment adjusted EBITDA	$	2,223	$	2,337	$	2,710


	Year Ended December 31,
(Dollars in millions)	2021		2020		2019
Pretax income (loss)	$	(1,903)	$	(1,760)	$	(573)
Workforce rebalancing charges		39		918		159
Transaction-related costs		627		21		—
Stock-based compensation expense		71		64		51
Impairment expense		469		—		—
Interest expense		64		63		76
Depreciation expense		1,300		1,445		1,469
Amortization expense		1,314		1,408		1,335
Corporate expense not allocated to the segments		154		153		144
Other adjustments *		88		27		50
Segment adjusted EBITDA	$	2,223	$	2,337	$	2,710

* Other adjustments represent significant litigation costs and pension costs other than pension servicing costs and multi-employer plan costs.

*	Revenues are attributed to countries based on the location of the client and exclude certain allocations.


	At December 31,
(Dollars in millions)	2021		2020
Property and equipment, net
United States *	$	890	$	922
Canada		260		430
Other countries		1,773		2,638
Total property and equipment, net	$	2,923	$	3,991

Operating right-of-use assets, net
United States *	$	205	$	66
Japan		139		77
Belgium		176		197
Italy		86		114
Other countries		755		677
Total operating right-of-use assets, net	$	1,361	$	1,131

* Includes corporate and other.