PREMISES, EQUIPMENT, AND SOFTWARE (Tables)

12 Months Ended

Dec. 31, 2017

Property, Plant and Equipment [Abstract]

Summary of the carrying value of premises and equipment

A summary of the carrying value of premises and equipment is presented below:

		December 31,
(dollars in millions)	Useful Lives	2017			2016
Land and land improvements	10 years		$47			$47
Buildings and leasehold improvements	5-40 years	719			684
Furniture, fixtures and equipment	5-15 years	1,824			1,714
Total premises and equipment, gross		2,590			2,445
Accumulated depreciation		(1,905		)	(1,844		)
Total premises and equipment, net			$685			$601

Schedule of estimated future amortization expense for capitalized software assets

The estimated future amortization expense for capitalized software assets is presented below:

Year	(in millions)
2018		$171
2019	141
2020	109
2021	71
2022	36
Thereafter	92
Total (1)		$620

⁽¹⁾ Excluded from this balance is $178 million of in-process software at December 31, 2017.