SEGMENT INFORMATION - Summary of Segment Results (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Segment Reporting Information [Line Items]
TOTAL ASSETS	$ 7,194		$ 7,194		$ 6,005
Summarized Information
Net sales to external customers	2,837	$ 2,893	5,838	$ 5,692
Total consolidated operating earnings	205	380	364	743
United States [Member]
Summarized Information
Net sales to external customers	2,051	2,095	4,225	4,126
Canada [Member]
Summarized Information
Net sales to external customers	107	135	236	271
United States And Canada Segments [Member]
Summarized Information
Net sales to external customers	2,158	2,230	4,461	4,397
Other Businesses [Member]
Summarized Information
Net sales to external customers	679	663	1,377	1,295
Segment Balances Before Intersegment Eliminations and Consolidation Reconciling Items [Member]
Segment Reporting Information [Line Items]
TOTAL ASSETS	3,087		3,087		2,841
Summarized Information
Net sales to external customers	2,956	3,020	6,090	5,938
Total consolidated operating earnings	353	409	552	798
Segment Balances Before Intersegment Eliminations and Consolidation Reconciling Items [Member] | United States [Member]
Segment Reporting Information [Line Items]
TOTAL ASSETS	2,919		2,919		2,668
Summarized Information
Net sales to external customers	2,169	2,222	4,476	4,371
Total consolidated operating earnings	318	381	658	745
Segment Balances Before Intersegment Eliminations and Consolidation Reconciling Items [Member] | Canada [Member]
Segment Reporting Information [Line Items]
TOTAL ASSETS	168		168		$ 173
Summarized Information
Net sales to external customers	107	135	236	271
Total consolidated operating earnings	(3)	1	(6)	(4)
Segment Balances Before Intersegment Eliminations and Consolidation Reconciling Items [Member] | United States And Canada Segments [Member]
Summarized Information
Net sales to external customers	2,276	2,357	4,712	4,642
Total consolidated operating earnings	315	382	652	741
Segment Balances Before Intersegment Eliminations and Consolidation Reconciling Items [Member] | Other Businesses [Member]
Summarized Information
Net sales to external customers	680	663	1,378	1,296
Total consolidated operating earnings	38	27	(100)	57
Intersegment Eliminations [Member]
Summarized Information
Net sales to external customers	(119)	(127)	(252)	(246)
Intersegment Eliminations [Member] | United States [Member]
Summarized Information
Net sales to external customers	(118)	(127)	(251)	(245)
Intersegment Eliminations [Member] | Canada [Member]
Summarized Information
Net sales to external customers	0	0	0	0
Intersegment Eliminations [Member] | United States And Canada Segments [Member]
Summarized Information
Net sales to external customers	(118)	(127)	(251)	(245)
Intersegment Eliminations [Member] | Other Businesses [Member]
Summarized Information
Net sales to external customers	$ (1)	$ 0	$ (1)	$ (1)