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Restructuring - Schedule of Restructuring and Restructuring-related Charges Incurred From Inception (Details) $ in Millions | Dec. 31, 2024 USD ($)
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Restructuring Cost and Reserve [Line Items] |
Restructuring charges, cost incurred to date | $ 127
Restructuring-related costs | 76
Total costs | 203
Realignment Plan |
Restructuring Cost and Reserve [Line Items] |
Restructuring charges, cost incurred to date | 37
Restructuring-related costs | 15
Total costs | 52
Network Optimization Project |
Restructuring Cost and Reserve [Line Items] |
Restructuring charges, cost incurred to date | 10
Restructuring-related costs | 34
Total costs | 44
Project Phoenix |
Restructuring Cost and Reserve [Line Items] |
Restructuring charges, cost incurred to date | 80
Restructuring-related costs | 27
Total costs | 107
Severance and termination costs |
Restructuring Cost and Reserve [Line Items] |
Restructuring charges, cost incurred to date | 119
Severance and termination costs | Realignment Plan |
Restructuring Cost and Reserve [Line Items] |
Restructuring charges, cost incurred to date | 35
Severance and termination costs | Network Optimization Project |
Restructuring Cost and Reserve [Line Items] |
Restructuring charges, cost incurred to date | 6
Severance and termination costs | Project Phoenix |
Restructuring Cost and Reserve [Line Items] |
Restructuring charges, cost incurred to date | 78
Contract termination and other costs |
Restructuring Cost and Reserve [Line Items] |
Restructuring charges, cost incurred to date | 8
Contract termination and other costs | Realignment Plan |
Restructuring Cost and Reserve [Line Items] |
Restructuring charges, cost incurred to date | 2
Contract termination and other costs | Network Optimization Project |
Restructuring Cost and Reserve [Line Items] |
Restructuring charges, cost incurred to date | 4
Contract termination and other costs | Project Phoenix |
Restructuring Cost and Reserve [Line Items] |
Restructuring charges, cost incurred to date | $ 2

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- Definition Amount of costs incurred to date for the specified restructuring cost. + References Reference 1: 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.d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479823/420-10-S99-2 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.1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479823/420-10-S99-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482017/420-10-50-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482017/420-10-50-1 + Details
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