Annual report pursuant to Section 13 and 15(d)

COMPANY-SPONSORED EMPLOYEE BENEFIT PLANS - Fair Value Measurement of Plan Assets Using Unobservable Inputs (Detail)

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COMPANY-SPONSORED EMPLOYEE BENEFIT PLANS - Fair Value Measurement of Plan Assets Using Unobservable Inputs (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets at beginning of year $ 58,175  
Actual Return on Assets:    
Fair value of plan assets at end of year 43,916 $ 58,175
Fair Value, Inputs, Level 3    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets at beginning of year 88 65
Actual Return on Assets:    
Assets Held at End of Year (2) 5
Assets Sold During the Year (35) (16)
Purchases 491 43
Sales (464) (9)
Transfers Into (Out of) Level 3 (1) 0
Fair value of plan assets at end of year 77 88
Fair Value, Inputs, Level 3 | Corporate Bonds    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets at beginning of year 14 3
Actual Return on Assets:    
Assets Held at End of Year 0 0
Assets Sold During the Year (35) (16)
Purchases 482 33
Sales (460) (6)
Transfers Into (Out of) Level 3 (1) 0
Fair value of plan assets at end of year 0 14
Fair Value, Inputs, Level 3 | Other    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets at beginning of year 74 62
Actual Return on Assets:    
Assets Held at End of Year (2) 5
Assets Sold During the Year 0 0
Purchases 9 10
Sales (4) (3)
Transfers Into (Out of) Level 3 0 0
Fair value of plan assets at end of year $ 77 $ 74