SEGMENT INFORMATION - Summary of Segment Results (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2018
Segment Reporting Information [Line Items]
TOTAL ASSETS	$ 5,992		$ 5,992		$ 5,873
Summarized Information
Net sales to external customers	2,893	$ 2,861	5,692	$ 5,627
Total consolidated operating earnings	380	344	743	679
United States [Member]
Summarized Information
Net sales to external customers	2,095	2,062	4,126	4,060
Canada [Member]
Summarized Information
Net sales to external customers	135	177	271	359
United States And Canada Segments [Member]
Summarized Information
Net sales to external customers	2,230	2,239	4,397	4,419
Total consolidated operating earnings	382	335	741	672
Other Businesses [Member]
Summarized Information
Net sales to external customers	663	622	1,295	1,208
Segment Balances Before Intersegment Eliminations and Consolidation Reconciling Items [Member]
Segment Reporting Information [Line Items]
TOTAL ASSETS	2,797		2,797		2,684
Summarized Information
Net sales to external customers	3,020	2,974	5,938	5,852
Total consolidated operating earnings	409	376	798	749
Segment Balances Before Intersegment Eliminations and Consolidation Reconciling Items [Member] | United States [Member]
Segment Reporting Information [Line Items]
TOTAL ASSETS	2,625		2,625		2,496
Summarized Information
Net sales to external customers	2,222	2,175	4,371	4,283
Total consolidated operating earnings	381	349	745	706
Segment Balances Before Intersegment Eliminations and Consolidation Reconciling Items [Member] | Canada [Member]
Segment Reporting Information [Line Items]
TOTAL ASSETS	172		172		$ 188
Summarized Information
Net sales to external customers	135	177	271	359
Total consolidated operating earnings	1	(14)	(4)	(34)
Segment Balances Before Intersegment Eliminations and Consolidation Reconciling Items [Member] | United States And Canada Segments [Member]
Summarized Information
Net sales to external customers	2,357	2,352	4,642	4,642
Total consolidated operating earnings	382	335	741	672
Segment Balances Before Intersegment Eliminations and Consolidation Reconciling Items [Member] | Other Businesses [Member]
Summarized Information
Net sales to external customers	663	622	1,296	1,210
Total consolidated operating earnings	27	41	57	77
Intersegment Eliminations [Member]
Summarized Information
Net sales to external customers	(127)	(113)	(246)	(225)
Intersegment Eliminations [Member] | United States [Member]
Summarized Information
Net sales to external customers	(127)	(113)	(245)	(223)
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	(127)	(113)	(245)	(223)
Intersegment Eliminations [Member] | Other Businesses [Member]
Summarized Information
Net sales to external customers	$ 0	$ 0	$ (1)	$ (2)