Capital Structure - Common Stock (Details) - USD ($)			1 Months Ended	2 Months Ended	3 Months Ended			12 Months Ended				14 Months Ended
	Jan. 21, 2022	Jan. 21, 2021	Mar. 31, 2019	Feb. 24, 2022	Mar. 31, 2020	Dec. 31, 2019	Mar. 31, 2019	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Feb. 24, 2022	Feb. 27, 2020	Dec. 06, 2021
Equity, Class of Treasury Stock [Line Items]
Quarterly dividends per share (usd per share)								$ 0.325	$ 0.30	$ 0.03
Dividends paid per share (in usd per share)								$ 1.30	$ 1.20	0.12
Common stock, dividends, proposed annual amount, per share (usd per share)		$ 1.30			$ 1.20					$ 0.12
Long-term capital allocation policy, target allocation of cash generated allocated to growth investments, percentage						50.00%
Long-term capital allocation, target allocation, cash generated allocated returned to shareholders, percentage						50.00%
Eligible compensation withholding, minimum, percentage			1.00%
Eligible compensation withholding, maximum, percentage			10.00%
Market value on offering date percentage			95.00%
Exercise price as a percentage of fair value (as a percent)			95.00%
Treasury stock reserved for issuance under the ESPP (in shares)								2,636,199
Shares repurchased (in shares)								1,084,752	6,062,783	36,301,882
Capital Allocation Plan
Equity, Class of Treasury Stock [Line Items]
Stock repurchase program, authorized amount						$ 1,250,000,000				$ 1,250,000,000	$ 1,500,000,000			$ 1,000,000,000
Shares repurchased (in shares)								1,333,765	6,774,031	37,238,810
2018 Capital Allocation Plan
Equity, Class of Treasury Stock [Line Items]
Shares repurchased (in shares)							250,000,000				1,250,000,000
2019 Capital Allocation Plan
Equity, Class of Treasury Stock [Line Items]
Shares repurchased (in shares)										1,194,000,000			56,000,000
Subsequent Event
Equity, Class of Treasury Stock [Line Items]
Dividends per common share (in usd per share)	$ 0.35
Shares repurchased (in shares)				1,889,151
Subsequent Event | Capital Allocation Plan
Equity, Class of Treasury Stock [Line Items]
Shares repurchased (in shares)												2,019,825
Scenario, Plan
Equity, Class of Treasury Stock [Line Items]
Common stock, annual dividends increase, percentage		8.00%
Scenario, Plan | Subsequent Event
Equity, Class of Treasury Stock [Line Items]
Common stock, dividends, proposed annual amount, per share (usd per share)	$ 1.40
Common stock, annual dividends increase, percentage	8.00%
Minimum
Equity, Class of Treasury Stock [Line Items]
Annual dividend growth rate, percentage						700.00%
Maximum
Equity, Class of Treasury Stock [Line Items]
Annual dividend growth rate, percentage						9.00%
Long-term incentive plans
Equity, Class of Treasury Stock [Line Items]
Long-term incentive plans (in shares)								14,372,743