Intangible Assets, Net

3 Months Ended

Mar. 31, 2021

Goodwill and Intangible Assets, Net

Intangible Assets, Net

12.    Intangible Assets, Net

	March 31,		December 31,
($ in millions)	2021		2020
Acquired customer relationships and other intangibles (net of accumulated amortization of $756 million at March 31, 2021, and $729 million at December 31, 2020)	$	1,721	$	1,785
Capitalized software (net of accumulated amortization of $201 million at March 31, 2021, and $196 million at December 31, 2020)		66		69
Other intangibles (net of accumulated amortization of $93 million at March 31, 2021, and $124 million at December 31, 2020)		26		29
	$	1,813	$	1,883

Total amortization expense of intangible assets amounted to $45 million and $45 million for the three months ended March 31, 2021, and 2020, respectively.