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STOCKHOLDERS' EQUITY - Dividends (Narrative) (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended			9 Months Ended
	Sep. 29, 2019	Dec. 31, 2018	Sep. 30, 2018	Sep. 29, 2019	Sep. 30, 2018
Dividends Payable [Line Items]
Cash dividends paid and unpaid, amount	$ 679		$ 1,201	$ 2,551	$ 2,346
Cash dividends declared (in dollars per share)	$ 2.40		$ 4.20	$ 9.00	$ 8.20
Cash dividends paid per common share (in dollars per share)	2.20		$ 2.00	$ 6.60	$ 6.00
Dividends declared increase (in dollars per share)	$ 0.20
Dividend Declared
Dividends Payable [Line Items]
Cash dividends paid and unpaid, amount		$ 632	$ 569
Cash dividends declared (in dollars per share)		$ 2.20	$ 2.00

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