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Restructuring (Schedule Of The Activity And Balances Associated With Restructuring Liabilities) (Details) - USD ($) $ in Millions | 9 Months Ended
--- | ---
Sep. 30, 2023 | Sep. 30, 2022
Restructuring Cost And Reserve [Line Items] |  |
Beginning balance | $ 115 | $ 149
Ending balance | 88 | 120
Prior years' restructurings [Member] |  |
Restructuring Cost And Reserve [Line Items] |  |
Restructuring reserve activity | (27) | (29)
Other Current Liabilities [Member] |  |
Restructuring Cost And Reserve [Line Items] |  |
Beginning balance | 34 | 38
Ending balance | 14 | 27
Other Current Liabilities [Member] | Prior years' restructurings [Member] |  |
Restructuring Cost And Reserve [Line Items] |  |
Restructuring reserve activity | (20) | (11)
Other Long-Term Liabilities [Member] |  |
Restructuring Cost And Reserve [Line Items] |  |
Beginning balance | 81 | 111
Ending balance | 74 | 93
Other Long-Term Liabilities [Member] | Prior years' restructurings [Member] |  |
Restructuring Cost And Reserve [Line Items] |  |
Restructuring reserve activity | $ (7) | $ (18)

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- Definition Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482017/420-10-50-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)(2)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479823/420-10-S99-2 + Details
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- Definition Amount of expense (reversal of expense) which increases (decreases) the restructuring reserve from an adjustment to a previously accrued restructuring liability. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482017/420-10-50-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)(2)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479823/420-10-S99-2 + Details
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