Intangible Assets and Goodwill (Tables)

3 Months Ended

Mar. 31, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Intangible Assets

Intangible assets at March 31, 2020 and December 31, 2019 consisted of the following ($ in millions):

	March 31, 2020			December 31, 2019
Contractual arrangements	$	923		$	921
Non-compete agreements	14			14
Customer relationships	352			352
Trade names	16			16
Technology	9			9
	1,314			1,312
Less: accumulated amortization	(597		)	(583		)
Intangible assets, net	$	717		$	729

Schedule of Goodwill

The goodwill balance by reportable segments as of March 31, 2020 is comprised of the following ($ in millions):

	IMTT			Atlantic Aviation			MIC Hawaii			Total
Goodwill acquired in business combinations, net of disposals, at    December 31, 2019	$	1,430		$	619		$	123		$	2,172
Accumulated impairment charges	—			(123		)	(3		)	(126		)
Other	(2		)	(1		)	—			(3		)
Balance at December 31, 2019	1,428			495			120			2,043
Goodwill related to 2020 acquisition	—			1			—			1
Balance at March 31, 2020	$	1,428		$	496		$	120		$	2,044