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Financing (2020 Debt Issuances) (Narrative) (Details) - Senior notes € in Millions, $ in Millions | Oct. 06, 2020 USD ($) | Apr. 08, 2020 USD ($) | Apr. 08, 2020 EUR (€) | Mar. 30, 2020 USD ($) | Mar. 30, 2020 EUR (€)
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Euronotes |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Proceeds from issuance of debt |  | $ 816 | € 754 | $ 1,900 | € 1,700
2.6% senior unsecured notes due 2050 |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Proceeds from issuance of debt | $ 980 |  |  |  |

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- Definition The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3255-108585 + Details
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