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STOCKHOLDERS' EQUITY - Stock Repurchase Programs Narrative (Details) - USD ($) shares in Millions	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2020	Nov. 30, 2018	Feb. 28, 2018	Nov. 30, 2016	Jul. 31, 2012
Share-based Payment Arrangement [Abstract]
Stock repurchase program, authorized amount						$ 2,000,000,000.0
Stock repurchase program, additional authorized amount			$ 2,000,000,000.0	$ 1,500,000,000	$ 1,500,000,000
Remaining value available under stock repurchase programs		$ 897,000,000
Purchases of treasury stock (in shares)	9.5

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Amount of stock repurchase plan authorized.

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Number of shares that have been repurchased during the period and are being held in treasury.

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-Publisher FASB
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