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Restructuring (Schedule Of The Activity And Balances Associated With Restructuring Liabilities) (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2023 | Mar. 31, 2022
Restructuring Cost And Reserve [Line Items] |  |
Beginning balance | $ 115 | $ 149
Ending balance | 101 | 139
Prior years' restructurings [Member] |  |
Restructuring Cost And Reserve [Line Items] |  |
Restructuring reserve activity | (14) | (10)
Other Current Liabilities [Member] |  |
Restructuring Cost And Reserve [Line Items] |  |
Beginning balance | 34 | 38
Ending balance | 23 | 34
Other Current Liabilities [Member] | Prior years' restructurings [Member] |  |
Restructuring Cost And Reserve [Line Items] |  |
Restructuring reserve activity | (11) | (4)
Other Long-Term Liabilities [Member] |  |
Restructuring Cost And Reserve [Line Items] |  |
Beginning balance | 81 | 111
Ending balance | 78 | 105
Other Long-Term Liabilities [Member] | Prior years' restructurings [Member] |  |
Restructuring Cost And Reserve [Line Items] |  |
Restructuring reserve activity | $ (3) | $ (6)

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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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 -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI https://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)(2)) -URI https://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + 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 -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)(2)) -URI https://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI https://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 + Details
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