Restructuring, Impairment and Other Charges and Credits (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Restructuring Cost and Reserve [Line Items]
Severance		$ 43		$ 46
Capacity realignment		16		133
Other charges and credits		75		84
Total restructuring, impairment and other charges and credits	$ 16	134	$ 10	263
Liquidation of Optical Communications Plant
Restructuring Cost and Reserve [Line Items]
Foreign currency loss		$ 62		$ 62

The amount of capacity realignment expense.

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- Definition

Amount before tax of foreign currency transaction realized and unrealized loss recognized in the income statement.

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Amount of other expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses associated with a discontinued operation or an asset retirement obligation.

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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.

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Amount of restructuring charges, remediation cost, and asset impairment loss.

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Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.

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