EMPLOYEE BENEFIT PLANS (Tables) - Qualified Defined Benefit [Member]

12 Months Ended

Dec. 31, 2019

Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]

Schedule of Assumptions Used [Table Text Block]

Weighted average assumptions used to determine benefit obligations:

The rates below vary by plan and related work group.

	2019	2018
Discount rates	3.33% to 3.47%	4.37% to 4.46%
Rate of compensation increases	2.11% to 5.44%	2.11% to 3.50%

Weighted average assumptions used to determine net periodic benefit cost:

The rates below vary by plan and related work group.

	2019	2018	2017
Discount rates	4.37% to 4.46%	3.69% to 3.78%	4.29% to 4.50%
Expected return on plan assets	4.25% to 5.50%	4.25% to 5.50%	5.50% to 6.00%
Rate of compensation increases(a)	2.11% to 3.50%	2.11% to 16.51%	2.12% to 2.59%

Schedule of Allocation of Plan Assets [Table Text Block]

The target and actual asset allocation of the funds in the qualified defined-benefit plans, by asset category, are as follows: 

	Salaried Plan(a)						All other plans
	Target		2019		2018		Target	2019		2018
Asset category:
Domestic equity securities	2% - 12%		7	%	6	%	36% - 46%	41	%	28	%
Non-U.S. equity securities	0% - 5%		3	%	3	%	13% - 23%	18	%	12	%
Fixed income securities	85% - 95%		90	%	91	%	26% - 46%	35	%	53	%
Real estate	—	%	—	%	—	%	0% - 10%	6	%	7	%
Plan assets			100	%	100	%		100	%	100	%

(a)As our Salaried Plan is frozen and fully funded, our investment strategies differ significantly from that of our other outstanding plans. Investments are in lower-risk securities, with earnings designed to maintain a fully-funded status.

Plan assets by fund category (in millions):

	2019		2018		Fair Value Hierarchy
Fund type:
U.S. equity market fund	$	773	$	431	1
Non-U.S. equity fund	344		183		1
Credit bond index fund	1,009		1,135		1
Plan assets in common commingled trusts	$	2,126	$	1,749
Real estate	102		104		(a)
Cash equivalents	11		5		1
Total plan assets	$	2,239	$	1,858

(a)In accordance with Subtopic 820-10, certain investments that are measured at net asset value per share (or its equivalent) have not been classified in the fair value hierarchy.

Schedule of Net Funded Status [Table Text Block]

The following table sets forth the status of the qualified defined-benefit pension plans (in millions):

	2019			2018
Projected benefit obligation (PBO)
Beginning of year	$	2,225		$	2,387
Service cost	42			48
Interest cost	89			79
Actuarial (gain)/loss	359			(191)
Benefits paid	(113)			(98)
End of year	$	2,602		$	2,225
Plan assets at fair value
Beginning of year	$	1,858		$	2,083
Actual return on plan assets	429			(127)
Employer contributions	65			—
Benefits paid	(113)			(98)
End of year	$	2,239		$	1,858
Unfunded status	$	(363)		$	(367)
Percent funded	86		%	84		%

Schedule of Amounts Recognized in Balance Sheet [Table Text Block]

The amounts recognized in the consolidated balance sheets (in millions): 

	2019		2018
Accrued benefit liability-long term	$	412	$	392
Plan assets-long term (within Other noncurrent assets)	(49)		(25)
Total liability recognized	$	363	$	367

The amounts not yet reflected in net periodic benefit cost and included in AOCL (in millions):

	2019		2018
Prior service credit	$	(6)	$	(8)
Net loss	595		607
Amount recognized in AOCL (pretax)	$	589	$	599

Schedule of Net Benefit Costs [Table Text Block]

Net pension expense for the qualified defined-benefit plans included the following components (in millions): 

	2019		2018		2017
Service cost	$	42	$	48	$	39
Interest cost	89		79		74
Expected return on assets	(95)		(107)		(106)
Amortization of prior service credit	(1)		(1)		(1)
Recognized actuarial loss	37		33		26
Net pension expense	$	72	$	52	$	32

Schedule of Expected Benefit Payments [Table Text Block]

Future benefits expected to be paid over the next ten years under the qualified defined-benefit pension plans from the assets of those plans (in millions): 

	Total
2020	$	115
2021	118
2022	134
2023	137
2024	137
2025– 2029	800