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Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2023
Significant Accounting Policies [Abstract]  
Schedule of Property and Equipment

As of

Estimated

December 31,

Useful Lives

(In millions)

2023

2022

(Years)

Buildings and improvements

$

4

$

14

10 - 40

Technology and communications

159

130

3 - 7

Office equipment, furniture and fixtures, and vehicles

3

11

5 - 7

166

155

Less accumulated depreciation

(105)

(89)

Property and equipment, net

$

60

$

66