Equity (Schedule of Outstanding Share-Based Compensation Awards) (Details) - shares	Dec. 31, 2023	Dec. 31, 2022
Options | Class A
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares reserved for future issuance (in shares)	622,177	608,258
Options | Class C
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares reserved for future issuance (in shares)	2,704,383	2,465,294
SARs | Class A
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares reserved for future issuance (in shares)	20,430,440	21,183,640
SARs | Class C
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares reserved for future issuance (in shares)	47,534,716	49,778,158
RSUs | Class A
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares reserved for future issuance (in shares)	2,446,678
RSUs | Class C
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares reserved for future issuance (in shares)	5,382,896
PSUs and PSARs | Class A
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares reserved for future issuance (in shares)	3,682,808
PSUs and PSARs | Class C
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares reserved for future issuance (in shares)	7,155,287