Earnings (Loss) Per Share Data (Computations) (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended			6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022		Jun. 30, 2023	Jun. 30, 2022
Earnings Per Share [Abstract]
Net income	$ 283	$ 190	[1],[2]	$ 580	$ 485	[3]
Basic
Weighted average shares outstanding (in shares)	271.2	271.7	[1]	271.2	271.8
Diluted earnings per share
Weighted average shares outstanding (in shares)	271.2	271.7	[1]	271.2	271.8
Diluted effect of stock-based awards under compensation plans (in shares)	0.8	0.9		0.9	0.9
Total (in shares)	272.0	272.6	[1]	272.1	272.7
Earnings (loss) per share
Basic earnings (loss) per share (in usd per share)	$ 1.04	$ 0.70	[1]	$ 2.14	$ 1.79
Diluted earnings (loss) per share (in usd per share)	$ 1.04	$ 0.69	[1]	$ 2.13	$ 1.78

[1] As of January 1, 2023, the Company adopted ASU 2018-12, Financial Services-Insurance (Topic 944): Targeted Improvements to the Accounting for Long-Duration Contracts (ASU 2018-12) using the modified retrospective method applied as of the transition date of January 1, 2021. Prior period amounts in the financial statements have been adjusted to reflect application of the new guidance. See Note A to the Condensed Consolidated Financial Statements for additional information.

[2] As of January 1, 2023, the Company adopted ASU 2018-12 using the modified retrospective method applied as of the transition date of January 1, 2021. Prior period amounts in the financial statements have been adjusted to reflect application of the new guidance. See Note A to the Condensed Consolidated Financial Statements for additional information.

[3] As of January 1, 2023, the Company adopted ASU 2018-12 using the modified retrospective method applied as of the transition date of January 1, 2021. Prior period amounts in the financial statements have been adjusted to reflect application of the new guidance. See Note A to the Condensed Consolidated Financial Statements for additional information.