Annual report pursuant to Section 13 and 15(d)

BENEFIT PLANS - Fair Value of Plan Assets (Details)

v3.22.0.1
BENEFIT PLANS - Fair Value of Plan Assets (Details) - USD ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
Summary of plan assets investments    
Fair value of plan assets $ 1,007 $ 1,050
Fair value of plan assets, Percentage 100.00% 100.00%
Mutual funds-money market    
Summary of plan assets investments    
Fair value of plan assets $ 45 $ 20
Fair value of plan assets, Percentage 5.00% 2.00%
Corporate obligations    
Summary of plan assets investments    
Fair value of plan assets $ 559 $ 522
Fair value of plan assets, Percentage 55.00% 50.00%
U.S. Government obligations    
Summary of plan assets investments    
Fair value of plan assets $ 208 $ 208
Fair value of plan assets, Percentage 21.00% 20.00%
Municipal obligations    
Summary of plan assets investments    
Fair value of plan assets $ 5 $ 6
Fair value of plan assets, Percentage 0.00% 0.00%
Collective trust funds    
Summary of plan assets investments    
Fair value of plan assets $ 13 $ 118
Fair value of plan assets, Percentage 1.00% 11.00%
Common stock    
Summary of plan assets investments    
Fair value of plan assets $ 52 $ 48
Fair value of plan assets, Percentage 5.00% 5.00%
Preferred stock    
Summary of plan assets investments    
Fair value of plan assets $ 0 $ 5
Fair value of plan assets, Percentage 0.00% 0.00%
Limited liability companies    
Summary of plan assets investments    
Fair value of plan assets $ 36 $ 39
Fair value of plan assets, Percentage 4.00% 4.00%
Collective trust funds    
Summary of plan assets investments    
Fair value of plan assets $ 30 $ 33
Fair value of plan assets, Percentage 3.00% 3.00%
Limited partnerships    
Summary of plan assets investments    
Fair value of plan assets $ 58 $ 51
Fair value of plan assets, Percentage 6.00% 5.00%