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Leases (Tables) | 9 Months Ended
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Sep. 30, 2019
Leases [Abstract] |
Supplemental operating lease cash flow information [Table Text Block] |
(dollars in millions) | Quarter Ended September 30, 2019 |  | Nine Months Ended September 30, 2019
Operating cash flows for the measurement of operating lease liabilities | $ | (223 | ) |  | $ | (560 | )
Operating lease right-of-use assets obtained in exchange for operating lease obligations | 38 |  |  | 238 |
Balance Sheet Location, Operating Leases [Table Text Block] |
(dollars in millions, except lease term and discount rate) | September 30, 2019
Operating lease right-of-use assets | $ | 2,556 |
Accrued liabilities | $ | (546 | )
Operating lease liabilities | (2,105 | )
Total operating lease liabilities | $ | (2,651 | )
Supplemental Balance Sheet Information, Operating Leases [Table Text Block] |
| September 30, 2019
Weighted Average Remaining Lease Term (in years) | 6.9 |
Weighted Average Discount Rate | 3.6 | %
Lessee, Operating Lease, Liability, Maturity [Table Text Block] |
(dollars in millions) | Operating 1 |
2019 | $ | 186 |
2020 | 695 |
2021 | 600 |
2022 | 473 |
2023 | 320 |
Thereafter | 1,005 |
Total undiscounted lease payments | 3,279 |
Less imputed interest | (628 | )
Total discounted lease payments | $ | 2,651 |

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- References No definition available. + Details
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- Definition Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918701-209980 + Details
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- Definition [Table Text Block] for Supplemental operating lease cash flow information [Table] + References No definition available. + Details
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