Common Stock and Stock Plans, Common Stock Shares Outstanding (Details) - shares shares in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Common Stock Shares Outstanding [Line Items]
Common Stock, Shares, Outstanding, Beginning Balance	3,288.9	3,598.9	3,833.8
Common Stock, Shares, Outstanding, Ending Balance	3,092.6	3,288.9	3,598.9
Common stock [Member]
Common Stock Shares Outstanding [Line Items]
Issued, shares	24.9	22.8	37.2
Treasury Stock, Common [Member]
Common Stock Shares Outstanding [Line Items]
Repurchased, shares	(221.2)	(332.8)	(272.1)

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.