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Stock Repurchase Program	3 Months Ended
	Mar. 31, 2022
Equity [Abstract]
Stock Repurchase Program	Stock Repurchase Program We repurchased and retired 2.2 million and 2.3 million shares of Common Stock under our stock repurchase program during the first three months of 2022 and 2021, respectively, at a cost of $600 million and $591 million, respectively. On March 29, 2022, our Board of Directors authorized a new program for the repurchase of up to $10.0 billion of Common Stock beginning April 1, 2022. Our previous share repurchase program terminated on March 31, 2022.

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- Definition

The entire disclosure for treasury stock, including, but not limited to, average cost per share, description of share repurchase program, shares repurchased, shares held for each class of treasury stock.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 30
-URI http://asc.fasb.org/subtopic&trid=2208821

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