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Fair Value Measurements (Tables)
 6 Months Ended
Jun. 30, 2023
Fair Value Measurements [Abstract]  
Schedule of the Carrying Amount and Estimated Fair Value of the Company's Financial Instruments that are Recorded at Fair Value on a Recurring Basis

Estimated Fair Value Measurements

Quoted

Significant

Prices

Other

Significant

in Active

Observable

Unobservable

Carrying

Markets

Inputs

Inputs

(In millions)

Value

(Level 1)

(Level 2)

(Level 3)

As of June 30, 2023:

Prepaid expenses and other current assets

$

8

$

—

$

8

$

—

Other assets

4

—

4

—

Total assets

$

12

$

—

$

12

$

—

As of December 31, 2022:

Prepaid expenses and other current assets

$

6

$

—

$

6

$

—

Other assets

4

—

4

—

Total assets

$

10

$

—

$

10

$

—