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Employee Benefits - Additional Information (Details) - Pension Plans - New Lumen Pension Plan $ in Millions	1 Months Ended
	Sep. 30, 2022 USD ($)	Jan. 01, 2022 USD ($) Employee
Employee Benefits
Number of active participants (in employees) \| Employee		2,500
Number of other participants (in employees) \| Employee		19,000
Benefit obligation		$ 2,500
Plan assets		$ 2,200
Contributions	$ 319

Amount of contribution received by defined benefit plan from employer which increases plan assets.

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- Definition

Amount of asset segregated and restricted to provide benefit under defined benefit plan. Asset includes, but is not limited to, stock, bond, other investment, earning from investment, and contribution by employer and employee.

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