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Premises and Equipment (Notes)
12 Months Ended
Dec. 31, 2019
Property, Plant and Equipment [Line Items]  
Property, Plant and Equipment Disclosure [Text Block] . PREMISES, EQUIPMENT AND SOFTWARE, NET
Premises, equipment and software, net are summarized as follows:
(In millions)December 31,
2019  2018  
Land$235  $238  
Buildings747  736  
Furniture and equipment442  427  
Leasehold improvements164  145  
Software507  449  
Total 1
2,095  1,995  
Less accumulated depreciation and amortization953  871  
Net book value$1,142  $1,124  
1Amounts include $105 million at December 31, 2019, and $147 million at December 31, 2018, of costs that have been capitalized but are not yet depreciating because the respective assets have not been placed in service.