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Property, Plant, and Capitalized Software (Tables) | 12 Months Ended
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Dec. 31, 2020
Property, Plant and Equipment [Line Items] |
Property, Plant and Equipment [Table Text Block] | A summary of property, equipment and capitalized software is as follows:
(in millions) |  | December 31, 2020 |  | December 31, 2019
Land and improvements |  | $ | 533 |  |  | $ | 589 |
Buildings and improvements |  | 4,759 |  |  | 4,705 |
Computer equipment |  | 1,767 |  |  | 2,015 |
Furniture and fixtures |  | 1,787 |  |  | 1,752 |
Less accumulated depreciation |  | (3,364) |  |  | (3,328) |
Property and equipment, net |  | 5,482 |  |  | 5,733 |
Capitalized software |  | 5,010 |  |  | 4,638 |
Less accumulated amortization |  | (1,866) |  |  | (1,667) |
Capitalized software, net |  | 3,144 |  |  | 2,971 |
Total property, equipment and capitalized software, net |  | $ | 8,626 |  |  | $ | 8,704 |

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- Definition Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(13)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 + Details
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