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Share Repurchases (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2022	Aug. 01, 2022	Aug. 23, 2021
Share Repurchases [Line Items]
Stock Repurchase Program, Authorized Amount				$ 1,000.0
Stock Repurchase Program, Remaining Authorized Repurchase Amount	$ 700.0	$ 700.0
Stock Repurchased and Retired During Period, Value	612.3	1,034.4
Accelerated Share Repurchases, Settlement (Payment) or Receipt	$ 400.0	$ 400.0
Stock Repurchased and Retired During Period, Shares	10,144,320	17,733,984
Accelerated Share Repurchases, Adjustment to Recorded Amount	$ 54.2
Accelerated Share Repurchases, Final Price Paid Per Share		$ 64.37
2021 Repurchase Program
Share Repurchases [Line Items]
Stock Repurchase Program, Authorized Amount				$ 1,000.0
Accelerated Share Repurchase Agreement [Member]
Share Repurchases [Line Items]
Stock Repurchased and Retired During Period, Value		$ 400.0
Accelerated Share Repurchases, Settlement (Payment) or Receipt	$ 400.0	$ 400.0
Stock Repurchased and Retired During Period, Shares	7,056,229	7,056,229
Accelerated Share Repurchases, Adjustment to Recorded Amount	$ 54.2
2021 and 2022 Repurchase Program
Share Repurchases [Line Items]
Stock Repurchased and Retired During Period, Value	$ 558.0	$ 1,000.0
2022 Repurchase Program | Subsequent Event
Share Repurchases [Line Items]
Stock Repurchase Program, Authorized Amount			$ 2,000.0

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Share Repurchases [Line Items]

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The adjustment needed to reconcile previously recorded amounts to the actual aggregate amount paid, whether in cash or other consideration, to acquire all of the shares purchased under an Accelerated Share Repurchase arrangement.

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Final price paid per share for the purchase of the targeted number of shares, determined by an average market price over a fixed period of time.

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Amount of cash receipt from (payment to) bank; or stock received from (issuance to) bank in the settlement of the accelerated share repurchase agreement.

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Amount of stock repurchase plan authorized.

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Amount remaining of a stock repurchase plan authorized.

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Number of shares that have been repurchased and retired during the period.

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Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital).

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