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Earnings Per Share (Narrative) (Details) - USD ($)	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	May 02, 2023	Dec. 01, 2021
2022 Shares Repurchased Program
Equity, Class of Treasury Stock [Line Items]
Stock repurchase program, authorized amount				$ 1,000,000,000
Stock repurchase program, remaining amount	$ 41,000,000
Treasury stock, shares acquired (in shares)	584,086	2,482,804
Stock repurchase program, average price per share (in dollars per share)	$ 298.12	$ 228.33
2023 Authorization
Equity, Class of Treasury Stock [Line Items]
Stock repurchase program, authorized amount			$ 1,500,000,000

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Amount of stock repurchase plan authorized.

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Total cost of shares repurchased divided by the total number of shares repurchased.

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-Name Accounting Standards Codification
-Topic 505
-SubTopic 30
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481549/505-30-45-1

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

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-Section 50
-Paragraph 2
-SubTopic 10
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