Stock Plans (Target Performance Shares) (Details) - 2021 Incentive Plan [Member] - Performance Stock [Member] $ / shares in Units, shares in Thousands, $ in Millions	9 Months Ended
	Sep. 30, 2022 USD ($) $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Balance at beginning of period (in shares) | shares	3,144
Target performance shares awarded, net (in shares) | shares	388
Target performance shares forfeited (in shares) | shares	(47)
Balance at end of period (in shares) | shares	3,485
Balance at beginning of period (in dollars per shares) | $ / shares	$ 25.62
Target performance shares awarded, net (in dollars per shares) | $ / shares	25.66
Target performance shares forfeited (in dollars per shares) | $ / shares	25.62
Balance at end of period (in dollars per shares) | $ / shares	$ 25.62
Balance at beginning of period | $	$ 92
Target performance shares awarded, net | $	9
Balance at end of period | $	$ 82