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Consolidated Statements of Cash Flows - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
OPERATING ACTIVITIES    
Net income $ 677 $ 1,632
Items not involving current cash flows 2,065 1,976
Profit loss after adjustment of non cash items 2,742 3,608
Changes in operating assets and liabilities 536 352
Cash provided from operating activities 3,278 3,960
INVESTMENT ACTIVITIES    
Fixed asset additions (1,145) (1,441)
Increase in investments, other assets and intangible assets (331) (384)
Increase in private equity investments (132) (10)
Proceeds from dispositions 117 185
Business Combinations 91 (147)
Proceeds from sale of Lyft, Inc.   231
Proceeds on sale of business   1,132
Cash used for investing activities (1,400) (434)
FINANCING ACTIVITIES    
Issues of debt 854 47
Decrease in short-term borrowings (31) (1,124)
Repayments of debt (140) (149)
Issue of Common Share on exercise of stock options 81 44
Tax withholdings on vesting of equity awards (13) (9)
Repurchase of Common Shares (203) (1,289)
Contributions to subsidiaries by non-controlling interests 18 4
Dividends paid to non-controlling interests (18) (22)
Dividends paid (467) (449)
Cash provided from (used for) financing activities 81 (2,947)
Effect of exchange rate changes on cash, cash equivalents and restricted cash equivalents 23 11
Net increase in cash, cash equivalents and restricted cash equivalents during the year 1,982 590
Cash, cash equivalents and restricted cash equivalents beginning of year 1,392 802
Cash, cash equivalents and restricted cash equivalents, end of year $ 3,374 $ 1,392